Physics | O-Levels

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    Chapter 1 Motion Forces and Energy ( 125 videos)  (Practice Test)

      1.1: Physical quantities and measurement techniques (Practice Test)
      Measuring with Meter Rule and Measuring Tape
    1. Measuring with Meter Rule and Measuring Tape
      5195 views
      2. Measuring Volume by Cylinder
    2. Measuring Volume by Cylinder
      3068 views
      3. Measuring Volume of Irregular Shaped Solid
    3. Measuring Volume of Irregular Shaped Solid
      2312 views
      4. Measuring Time by Stopwatch
    4. Measuring Time by Stopwatch
      3452 views
      5. The Measurement of Time
    5. The Measurement of Time
      3856 views
      6. Pendulum clock
    6. Pendulum clock
      271 views
      7. Watch
    7. Watch
      92 views
      8. Ticker-Tape Timer
    8. Ticker-Tape Timer
      306 views
      9. Scalars and Vectors
    9. Scalars and Vectors
      29558 views
      10. Representation of Vectors
    10. Representation of Vectors
      7949 views
      11. Vector and its Representation
    11. Vector and its Representation
      6777 views
      12. Rectangular Coordinate System
    12. Rectangular Coordinate System
      13211 views
      13. Vector Addition by Rectangular Components
    13. Vector Addition by Rectangular Components
      16028 views
      14. Steps of vector Addition by Rectangular Components
    14. Steps of vector Addition by Rectangular Components
      8673 views
      1.2: Motion (Practice Test)
      Difference Between Speed and Velocity
    1. Difference Between Speed and Velocity
      2092 views
      2. Problem on Introduction to Speed
    2. Problem on Introduction to Speed
      2531 views
      3. Problem on Introduction to Velocity
    3. Problem on Introduction to Velocity
      9471 views
      4. Instantaneous Speed and Velocity
    4. Instantaneous Speed and Velocity
      3137 views
      5. Introduction to Acceleration
    5. Introduction to Acceleration
      12317 views
      6. Problem on Introduction to Acceleration
    6. Problem on Introduction to Acceleration
      6449 views
      7. Average Acceleration and Retardation
    7. Average Acceleration and Retardation
      6839 views
      8. Graphical Analysis of Motion
    8. Graphical Analysis of Motion
      5191 views
      9. Linear Distance-Time Graph
    9. Linear Distance-Time Graph
      7612 views
      10. Problem on Distance - Time Graph
    10. Problem on Distance - Time Graph
      2818 views
      11. Speed - Time Graph
    11. Speed - Time Graph
      11825 views
      12. Problem on Speed-Time Graph
    12. Problem on Speed-Time Graph
      5822 views
      13. Motion of Freely Falling Bodies
    13. Motion of Freely Falling Bodies
      6030 views
      14. Problem on Motion of Freely Falling Bodies
    14. Problem on Motion of Freely Falling Bodies
      2614 views
      15. The Acceleration of Free Fall-g
    15. The Acceleration of Free Fall-g
      415 views
      16. Value of 'g' by Free Fall Method
    16. Value of 'g' by Free Fall Method
      10666 views
      1.3: Mass and Weight (Practice Test)
      Difference Between Mass and Weight
    1. Difference Between Mass and Weight
      8574 views
      2. Introduction to Inertia
    2. Introduction to Inertia
      6324 views
      3. Mass Measuring by Physical Balance
    3. Mass Measuring by Physical Balance
      5353 views
      4. Mass Measuring by Lever Balance
    4. Mass Measuring by Lever Balance
      3178 views
      5. Electronic Balance
    5. Electronic Balance
      2439 views
      6. Gravitational Field
    6. Gravitational Field
      5580 views
      1.4: Density
      Introduction to Density
    1. Introduction to Density
      3922 views
      2. Density of an Object by Archimedes Principle
    2. Density of an Object by Archimedes Principle
      3145 views
      1.5: Forces (Practice Test)
      Like and Unlike Parallel Forces
    1. Like and Unlike Parallel Forces
      10549 views
      2. Introduction to Force
    2. Introduction to Force
      9713 views
      3. Types of Force
    3. Types of Force
      463 views
      4. First Law of Newton
    4. First Law of Newton
      15598 views
      5. Second Law of Newton
    5. Second Law of Newton
      12126 views
      6. Problem on Second Law of Newton
    6. Problem on Second Law of Newton
      5721 views
      7. Third Law of Newton
    7. Third Law of Newton
      8817 views
      8. Introduction to Friction
    8. Introduction to Friction
      7683 views
      9. Problem on Introduction to Friction
    9. Problem on Introduction to Friction
      10. Static and Kinetic Friction
    10. Static and Kinetic Friction
      1563 views
      11. Rolling Friction
    11. Rolling Friction
      6552 views
      12. Breaking and Skidding
    12. Breaking and Skidding
      3376 views
      13. Terminal Velocity
    13. Terminal Velocity
      3853 views
      14. Terminal Velocity of Spherical Object Falling in Resistive Medium
    14. Terminal Velocity of Spherical Object Falling in Resistive Medium
      15. Terminal Velocity of Paratrooper
    15. Terminal Velocity of Paratrooper
      16. Problem on Terminal velocity
    16. Problem on Terminal velocity
      2541 views
      17. Braking distance
    17. Braking distance
      18. Hooke's Law
    18. Hooke's Law
      6732 views
      19. Comparison of Elasticity of Two Substances
    19. Comparison of Elasticity of Two Substances
      1808 views
      20. Elastic Constants
    20. Elastic Constants
      2470 views
      21. Elasticity and Plasticity
    21. Elasticity and Plasticity
      2684 views
      22. Uniform Circular Motion
    22. Uniform Circular Motion
      7147 views
      23. Centripetal and Centrifugal Force
    23. Centripetal and Centrifugal Force
      7101 views
      24. Problem on Derivation of Formula for Centripetal Force and Centrifugal Force
    24. Problem on Derivation of Formula for Centripetal Force and Centrifugal Force
      1619 views
      25. Derivation of Formula for Centripetal Force and Centrifugal Force
    25. Derivation of Formula for Centripetal Force and Centrifugal Force
      4599 views
      26. Centripetal Acceleration and Centripetal Force
    26. Centripetal Acceleration and Centripetal Force
      27. More on Centripetal Acceleration and Centripetal Force
    27. More on Centripetal Acceleration and Centripetal Force
      28. Problem on Centripetal Forces
    28. Problem on Centripetal Forces
      1540 views
      29. Introduction to Torque or Moment of a Force
    29. Introduction to Torque or Moment of a Force
      7117 views
      30. Problem on Introduction to Torque or Moment of a Force
    30. Problem on Introduction to Torque or Moment of a Force
      2401 views
      31. Advanced Torque
    31. Advanced Torque
      14407 views
      32. More on Torque
    32. More on Torque
      7141 views
      33. Problem on More on Torque
    33. Problem on More on Torque
      4717 views
      34. Principle of Moments
    34. Principle of Moments
      5078 views
      35. Problem on Principle of Moments
    35. Problem on Principle of Moments
      2420 views
      36. Center of Gravity
    36. Center of Gravity
      5470 views
      37. Introduction to Momentum
    37. Introduction to Momentum
      7422 views
      38. Advanced Momentum
    38. Advanced Momentum
      6266 views
      39. Problem on Introduction to Momentum
    39. Problem on Introduction to Momentum
      2543 views
      40. Impulse
    40. Impulse
      6137 views
      41. Problem on Impulse
    41. Problem on Impulse
      2490 views
      42. Law of Conservation of Momentum
    42. Law of Conservation of Momentum
      7151 views
      43. Advanced Law of Conservation of Momentum
    43. Advanced Law of Conservation of Momentum
      9321 views
      44. Problem1-Law of Conservation of Momentum
    44. Problem1-Law of Conservation of Momentum
      3507 views
      45. Problem2-Law of Conservation of Momentum
    45. Problem2-Law of Conservation of Momentum
      2524 views
      46. Momentum and Newton's Second Law of motion
    46. Momentum and Newton's Second Law of motion
      6044 views
      47. Newton's Second Law of motion for Changing Mass
    47. Newton's Second Law of motion for Changing Mass
      1117 views
      48. Relation Between Force and Momentum
    48. Relation Between Force and Momentum
      5486 views
      49. Problem on Relation Between Force and Momentum
    49. Problem on Relation Between Force and Momentum
      1809 views
      50. Introduction to Energy
    50. Introduction to Energy
      8462 views
      51. Geothermal Energy
    51. Geothermal Energy
      3274 views
      52. Forms of Energy
    52. Forms of Energy
      5282 views
      53. Kinetic Energy
    53. Kinetic Energy
      6734 views
      54. Problem on Kinetic Energy
    54. Problem on Kinetic Energy
      3002 views
      55. Potential Energy
    55. Potential Energy
      7324 views
      56. Problem on Potential Energy
    56. Problem on Potential Energy
      1338 views
      57. Gravitational and Elastic Potential Energy
    57. Gravitational and Elastic Potential Energy
      1442 views
      58. Interconversion of K.E and P.E
    58. Interconversion of K.E and P.E
      396 views
      59. Problem on interconversion of K.E and P.E
    59. Problem on interconversion of K.E and P.E
      1422 views
      60. Interconversion of Energy
    60. Interconversion of Energy
      3092 views
      61. Law of Conservation of Energy
    61. Law of Conservation of Energy
      2444 views
      62. Problem on Law of Conservation of Energy
    62. Problem on Law of Conservation of Energy
      456 views
      63. Interconversion of Potential Energy and Kinetic Energy
    63. Interconversion of Potential Energy and Kinetic Energy
      9817 views
      64. problem on Interconversion of Potential Energy and Kinetic Energy
    64. problem on Interconversion of Potential Energy and Kinetic Energy
      2331 views
      65. Advance law of Conservation of Energy
    65. Advance law of Conservation of Energy
      3377 views
      66. Problem on Law of Conservation of Energy
    66. Problem on Law of Conservation of Energy
      1982 views
      67. Introduction to Work
    67. Introduction to Work
      9168 views
      68. More on Energy from Renewable Sources
    68. More on Energy from Renewable Sources
      1364 views
      69. Energy from Tides
    69. Energy from Tides
      4289 views
      70. Energy from Waves
    70. Energy from Waves
      3095 views
      71. Solar Energy
    71. Solar Energy
      3171 views
      72. Energy from Biomass
    72. Energy from Biomass
      2972 views
      73. Energy from Waste product
    73. Energy from Waste product
      1583 views
      74. Wind Power
    74. Wind Power
      1132 views
      75. Nuclear Energy and Electrical Energy
    75. Nuclear Energy and Electrical Energy
      1219 views
      76. Mass Energy Equation
    76. Mass Energy Equation
      4489 views
      77. Electricity from Fossil Fuels
    77. Electricity from Fossil Fuels
      1533 views
      78. Energy and Environment
    78. Energy and Environment
      1312 views
      79. Flow-Diagram of Energy Converter
    79. Flow-Diagram of Energy Converter
      1183 views
      80. Introduction to Efficiency
    80. Introduction to Efficiency
      2503 views
      81. Introduction to Power
    81. Introduction to Power
      7657 views
      82. Problem on Introduction to Power
    82. Problem on Introduction to Power
      1590 views
      83. Power and velocity
    83. Power and velocity
      4787 views
      84. Introduction to Pressure
    84. Introduction to Pressure
      4202 views
      85. Atmospheric Pressure
    85. Atmospheric Pressure
      6129 views
      86. Pressure in Liquids
    86. Pressure in Liquids
      5855 views
      87. Problem on Pressure in Liquids
    87. Problem on Pressure in Liquids
      1362 views

    Chapter 2 Thermal Physics ( 57 videos)  (Practice Test)

      2.1: Kinetic Particle Model of Matter (Practice Test)
      Kinetic Molecular Model of Matter
    1. Kinetic Molecular Model of Matter
      4757 views
      2. More on Kinetic Molecular Model of Matter
    2. More on Kinetic Molecular Model of Matter
      4979 views
      3. Three States of Matter
    3. Three States of Matter
      973 views
      4. Melting and Solidification
    4. Melting and Solidification
      340 views
      5. Boiling and Condensation
    5. Boiling and Condensation
      29 views
      6. Scales of Temperature
    6. Scales of Temperature
      1278 views
      7. Scales of Temperature
    7. Scales of Temperature
      7433 views
      8. Thermodynamic Scale of Temperature
    8. Thermodynamic Scale of Temperature
      13112 views
      9. Introduction to Pressure
    9. Introduction to Pressure
      4202 views
      10. General Gas Law
    10. General Gas Law
      3505 views
      11. Charles's law
    11. Charles's law
      2569 views
      12. Boyle's law
    12. Boyle's law
      5703 views
      13. Problem on Boyle's law
    13. Problem on Boyle's law
      1669 views
      2.2: Thermal Properties and Temperature (Practice Test)
      Thermal Expansion
    1. Thermal Expansion
      6616 views
      2. Expansion of Solids and Liquids
    2. Expansion of Solids and Liquids
      581 views
      3. Why Mercury is Used in Glass Thermometer ?
    3. Why Mercury is Used in Glass Thermometer ?
      6819 views
      4. Why Alcohol is Used in Glass Thermometer ?
    4. Why Alcohol is Used in Glass Thermometer ?
      3371 views
      5. Bimetallic Thermometer
    5. Bimetallic Thermometer
      10053 views
      6. Clinical Thermometer
    6. Clinical Thermometer
      1440 views
      7. Thermocouple Thermometers
    7. Thermocouple Thermometers
      2657 views
      8. Linear Thermal Expansion in Solids
    8. Linear Thermal Expansion in Solids
      9243 views
      9. More on Linear Thermal Expansion in Solids
    9. More on Linear Thermal Expansion in Solids
      2298 views
      10. Problem on Linear Thermal Expansion in Solids
    10. Problem on Linear Thermal Expansion in Solids
      4426 views
      11. Volume Expansion
    11. Volume Expansion
      7541 views
      12. Problem on Volume Thermal Expansion in Solids
    12. Problem on Volume Thermal Expansion in Solids
      2924 views
      13. Temperature and heat
    13. Temperature and heat
      15439 views
      14. Internal Energy
    14. Internal Energy
      13002 views
      15. Difference between Heat Capacity and Specific Heat Capacity
    15. Difference between Heat Capacity and Specific Heat Capacity
      6740 views
      16. Melting and Solidification
    16. Melting and Solidification
      340 views
      17. Boiling and Condensation
    17. Boiling and Condensation
      29 views
      18. Effect of Impurities on The Freezing Point of Water
    18. Effect of Impurities on The Freezing Point of Water
      673 views
      19. Effect of Pressure on The Melting Point of Ice
    19. Effect of Pressure on The Melting Point of Ice
      16159 views
      20. Effect of Impurities on The Boiling of Water
    20. Effect of Impurities on The Boiling of Water
      286 views
      21. Effect of Pressure on The Boiling Point of Water
    21. Effect of Pressure on The Boiling Point of Water
      7184 views
      22. Introduction to Evaporation
    22. Introduction to Evaporation
      2084 views
      23. More on Introduction to Evaporation
    23. More on Introduction to Evaporation
      1282 views
      24. Application of Cooling by Evaporation
    24. Application of Cooling by Evaporation
      1041 views
      25. More on Application of Cooling by Evaporation
    25. More on Application of Cooling by Evaporation
      736 views
      26. Laws of Fusion
    26. Laws of Fusion
      1042 views
      27. Introduction to Latent Heat of Fusion
    27. Introduction to Latent Heat of Fusion
      5103 views
      28. Problem on Introduction to Latent Heat of Fusion
    28. Problem on Introduction to Latent Heat of Fusion
      1342 views
      29. Laws of Latent Heat of Fusion
    29. Laws of Latent Heat of Fusion
      30. Latent Heat of Fusion of Ice by an Experiment
    30. Latent Heat of Fusion of Ice by an Experiment
      4268 views
      31. Introduction to Latent Heat of Vaporization
    31. Introduction to Latent Heat of Vaporization
      3026 views
      32. Problem on Introduction to Latent Heat of Vaporization
    32. Problem on Introduction to Latent Heat of Vaporization
      1135 views
      33. Latent Heat of Vaporization of Water by an Experiment
    33. Latent Heat of Vaporization of Water by an Experiment
      1418 views
      2.3: Transfer of Thermal Energy (Practice Test)
      Conduction
    1. Conduction
      3828 views
      2. Thermal Conductivity
    2. Thermal Conductivity
      8291 views
      3. Problem on Thermal Conductivity
    3. Problem on Thermal Conductivity
      1674 views
      4. Practical Application of Conduction of Heat
    4. Practical Application of Conduction of Heat
      2522 views
      5. Some Consequences of Conduction
    5. Some Consequences of Conduction
      387 views
      6. Convection
    6. Convection
      4097 views
      7. Application of Convection
    7. Application of Convection
      4319 views
      8. Some Consequences of Convection
    8. Some Consequences of Convection
      231 views
      9. Introduction to Radiations
    9. Introduction to Radiations
      3015 views
      10. Some Consequences of Radiation
    10. Some Consequences of Radiation
      430 views
      11. Emission and Absorption of Radiations
    11. Emission and Absorption of Radiations
      2130 views

    Chapter 3 Waves ( 91 videos)  (Practice Test)

      3.1: General Properties of waves (Practice Test)
      Waves as a Carriers of Energy
    1. Waves as a Carriers of Energy
      3204 views
      2. Terms Associated with Simple Harmonic Motion
    2. Terms Associated with Simple Harmonic Motion
      5888 views
      3. Problem -Characteristics of Wave
    3. Problem -Characteristics of Wave
      1836 views
      4. Waves and their Types
    4. Waves and their Types
      4682 views
      5. Problem-Mechanical and Electromagnetic waves
    5. Problem-Mechanical and Electromagnetic waves
      1357 views
      6. Relationship between Frequency, Wavelength, and Speed of Waves
    6. Relationship between Frequency, Wavelength, and Speed of Waves
      5045 views
      7. Problem-Relationship between Frequency, Wavelength, and Speed of Waves
    7. Problem-Relationship between Frequency, Wavelength, and Speed of Waves
      1493 views
      8. Introduction to Transverse and Longitudinal waves
    8. Introduction to Transverse and Longitudinal waves
      4296 views
      9. Diffraction and Interferenece in Ripple Tank
    9. Diffraction and Interferenece in Ripple Tank
      1692 views
      10. Introduction to Interference
    10. Introduction to Interference
      570 views
      11. Introduction to Ripple Tank
    11. Introduction to Ripple Tank
      9378 views
      12. Reflection in Water by Ripple Tank
    12. Reflection in Water by Ripple Tank
      9195 views
      13. Refraction in Water by Ripple Tank
    13. Refraction in Water by Ripple Tank
      5783 views
      14. Interference in Water by Ripple Tank
    14. Interference in Water by Ripple Tank
      2309 views
      15. Diffraction in Water by Ripple Tank
    15. Diffraction in Water by Ripple Tank
      4343 views
      16. Reflection of Light
    16. Reflection of Light
      1034 views
      17. Laws of Reflection
    17. Laws of Reflection
      764 views
      18. Refraction of Light
    18. Refraction of Light
      3756 views
      19. Problem-Introduction to Refraction
    19. Problem-Introduction to Refraction
      1051 views
      20. Introducing Refractive Index
    20. Introducing Refractive Index
      2720 views
      21. Problem-Introducing Refractive Index
    21. Problem-Introducing Refractive Index
      1072 views
      22. Relationship b/w Refractive Index and Critical Angle
    22. Relationship b/w Refractive Index and Critical Angle
      2528 views
      23. Problem-Relationship b/w Refractive Index and Critical Angle
    23. Problem-Relationship b/w Refractive Index and Critical Angle
      1145 views
      24. Introduction to Fibre Optics
    24. Introduction to Fibre Optics
      5138 views
      25. Optical Fibre
    25. Optical Fibre
      6570 views
      26. Types of Lenses
    26. Types of Lenses
      7161 views
      27. Convergence and Divergence of Lenses
    27. Convergence and Divergence of Lenses
      1892 views
      28. Lens Terminologies
    28. Lens Terminologies
      2291 views
      29. Image Formation by Convex lens
    29. Image Formation by Convex lens
      5588 views
      30. Problem-Image Formed by Convex Lens
    30. Problem-Image Formed by Convex Lens
      1287 views
      31. Image Formation by Concave Lens
    31. Image Formation by Concave Lens
      4126 views
      32. Problem-Image Formed by Concave Lens
    32. Problem-Image Formed by Concave Lens
      1078 views
      33. Problem-Power of a Lens
    33. Problem-Power of a Lens
      817 views
      34. Image Formation by Convex Lenses
    34. Image Formation by Convex Lenses
      1265 views
      35. Image Location by Lens Formula
    35. Image Location by Lens Formula
      2751 views
      36. Problem-Image Location by Lens Formula
    36. Problem-Image Location by Lens Formula
      892 views
      37. Linear Magnification of Lenses
    37. Linear Magnification of Lenses
      3151 views
      38. Problem-Linear Magnification of Lenses
    38. Problem-Linear Magnification of Lenses
      983 views
      39. Sign Conventions for Lenses
    39. Sign Conventions for Lenses
      1448 views
      40. Human Eye
    40. Human Eye
      5327 views
      41. Introducing and Making of Pinhole Camera
    41. Introducing and Making of Pinhole Camera
      2576 views
      42. Convex Lens Formula
    42. Convex Lens Formula
      1941 views
      43. More on Convex Lens Formula
    43. More on Convex Lens Formula
      1052 views
      44. Concave Lens Formula
    44. Concave Lens Formula
      2340 views
      45. Magnifying power and Resolving power of Optical Instruments
    45. Magnifying power and Resolving power of Optical Instruments
      8940 views
      46. More on Magnifying power and Resolving power of Optical Instruments
    46. More on Magnifying power and Resolving power of Optical Instruments
      5606 views
      47. Shortsightedness
    47. Shortsightedness
      3128 views
      48. Farsightedness
    48. Farsightedness
      2534 views
      49. Spectrometer
    49. Spectrometer
      5056 views
      50. Least Distance of Distinct Vision
    50. Least Distance of Distinct Vision
      5530 views
      51. Astigmatism and Lack of Accommodation
    51. Astigmatism and Lack of Accommodation
      907 views
      52. Introduction to Dispersion of Light
    52. Introduction to Dispersion of Light
      1982 views
      53. Refraction of Light Through Prism
    53. Refraction of Light Through Prism
      5285 views
      3.2: Electromagnetic Spectrum (Practice Test)
      Electromagnetic Spectrum
    1. Electromagnetic Spectrum
      632 views
      2. Introduction to Information and Communication Technology
    2. Introduction to Information and Communication Technology
      4506 views
      3. Communication Via Satellite
    3. Communication Via Satellite
      662 views
      4. Components of Computer Based Information System
    4. Components of Computer Based Information System
      9728 views
      5. Flow of Information
    5. Flow of Information
      3510 views
      6. Transmission of Electrical Signal Through Wires
    6. Transmission of Electrical Signal Through Wires
      5420 views
      7. Transmission of Radio waves Through Space
    7. Transmission of Radio waves Through Space
      6234 views
      8. Generation, Detection and Particular Properties
    8. Generation, Detection and Particular Properties
      82 views
      9. More on Generation, Detection and Particular Properties
    9. More on Generation, Detection and Particular Properties
      43 views
      10. More on Generation, Detection and Particular Properties
    10. More on Generation, Detection and Particular Properties
      27 views
      11. More on Generation, Detection and Particular Properties
    11. More on Generation, Detection and Particular Properties
      33 views
      3.3: Sound (Practice Test)
      How Sound is Produced and Travel
    1. How Sound is Produced and Travel
      9060 views
      2. More on How Sound is Produced and Travel
    2. More on How Sound is Produced and Travel
      4040 views
      3. Problem-More on How Sound is Produced and Travel
    3. Problem-More on How Sound is Produced and Travel
      2180 views
      4. The Mechanical Nature of Sound
    4. The Mechanical Nature of Sound
      322 views
      5. Problem-The Mechanical Nature of Sound
    5. Problem-The Mechanical Nature of Sound
      524 views
      6. The Medium of Transmission
    6. The Medium of Transmission
      109 views
      7. Measuring Speed of Sound
    7. Measuring Speed of Sound
      3578 views
      8. More on Measuring Speed of Sound
    8. More on Measuring Speed of Sound
      2146 views
      9. Problem1-Measuring The Speed of Sound
    9. Problem1-Measuring The Speed of Sound
      1039 views
      10. Problem2-Measuring The Speed of Sound
    10. Problem2-Measuring The Speed of Sound
      888 views
      11. Audible Frequency Range
    11. Audible Frequency Range
      2894 views
      12. Problem1-Audible Frequency Range
    12. Problem1-Audible Frequency Range
      931 views
      13. Problem2-Audible Frequency Range
    13. Problem2-Audible Frequency Range
      789 views
      14. Loudness of Sound
    14. Loudness of Sound
      6358 views
      15. Quality of Sound
    15. Quality of Sound
      5125 views
      16. Pitch of Sound
    16. Pitch of Sound
      4356 views
      17. Problem- Pitch of Sound
    17. Problem- Pitch of Sound
      1152 views
      18. Sound Intensity and Sound Intensity Level
    18. Sound Intensity and Sound Intensity Level
      9236 views
      19. More on Sound Intensity and Sound Level
    19. More on Sound Intensity and Sound Level
      6046 views
      20. Problem- Sound Intensity and Sound Level
    20. Problem- Sound Intensity and Sound Level
      1871 views
      21. How Amplitude is Related With Loudness
    21. How Amplitude is Related With Loudness
      1853 views
      22. How Frequency is Related with Pitch
    22. How Frequency is Related with Pitch
      1514 views
      23. Reflection of Sound (Echo)
    23. Reflection of Sound (Echo)
      5043 views
      24. Problem1-Reflection of Sound (Echoes)
    24. Problem1-Reflection of Sound (Echoes)
      1302 views
      25. Problem2-Reflection of Sound (Echoes)
    25. Problem2-Reflection of Sound (Echoes)
      971 views
      26. Ultrasonic Waves
    26. Ultrasonic Waves
      2284 views
      27. Uses of Ultrasonic Waves
    27. Uses of Ultrasonic Waves
      4033 views

    Chapter 4 Electromagnetism ( 135 videos)  (Practice Test)

      4.1: Simple Magnetism and Magnetic Fields (Practice Test)
      The Discovery of Magnetism
    1. The Discovery of Magnetism
      181 views
      2. Properties of Magnets
    2. Properties of Magnets
      482 views
      3. Introduction to Magnetic Poles
    3. Introduction to Magnetic Poles
      570 views
      4. Magnetic Force
    4. Magnetic Force
      489 views
      5. Magnetic Field
    5. Magnetic Field
      2345 views
      6. Magnets and Magnetic Materials
    6. Magnets and Magnetic Materials
      814 views
      7. Testing a Magnet
    7. Testing a Magnet
      131 views
      8. Induced Magnetism
    8. Induced Magnetism
      377 views
      9. Theory of Magnetism
    9. Theory of Magnetism
      5872 views
      10. Electric Charge
    10. Electric Charge
      15914 views
      11. Electrical Nature of Matter
    11. Electrical Nature of Matter
      2322 views
      12. Measurement of Electric Charge
    12. Measurement of Electric Charge
      379 views
      13. Problem-Measurement of Electric Charge
    13. Problem-Measurement of Electric Charge
      2326 views
      14. Production of Electric Charges
    14. Production of Electric Charges
      5976 views
      15. More on Production of Electric Charges
    15. More on Production of Electric Charges
      3620 views
      16. Electrostatic Induction
    16. Electrostatic Induction
      9275 views
      17. Field of Force
    17. Field of Force
      17938 views
      18. More on Field of Force
    18. More on Field of Force
      9961 views
      19. Problem-Field of Force
    19. Problem-Field of Force
      6082 views
      20. Conductors and Insulators
    20. Conductors and Insulators
      6832 views
      4.2: Electrical Quantities (Practice Test)
      Electric Charge
    1. Electric Charge
      15914 views
      2. Electrostatic Induction
    2. Electrostatic Induction
      9275 views
      3. Electric Field and Electric Field Intensity
    3. Electric Field and Electric Field Intensity
      10864 views
      4. Electric Intensity Between Two Oppositely Charged Parallel Plates
    4. Electric Intensity Between Two Oppositely Charged Parallel Plates
      12820 views
      5. Introduction to Electric Current
    5. Introduction to Electric Current
      8793 views
      6. More on Introduction to Electric Current
    6. More on Introduction to Electric Current
      3580 views
      7. Problem-Introduction to Electric Current
    7. Problem-Introduction to Electric Current
      1032 views
      8. Electric Current Through Metallic Conductor
    8. Electric Current Through Metallic Conductor
      9. Problem-Electric Current
    9. Problem-Electric Current
      4199 views
      10. Direction of a Current
    10. Direction of a Current
      3522 views
      11. Steady Current
    11. Steady Current
      6932 views
      12. Conventional Current
    12. Conventional Current
      7799 views
      13. Conversion of Galvanometer to Ammeter
    13. Conversion of Galvanometer to Ammeter
      14. More on Ammeter
    14. More on Ammeter
      6707 views
      15. Problem on Conversion of Galvanometer to Ammeter
    15. Problem on Conversion of Galvanometer to Ammeter
      16. Alternating Current (AC) and its Terminologies
    16. Alternating Current (AC) and its Terminologies
      17. Alternating Current (AC) and its Terminologies
    17. Alternating Current (AC) and its Terminologies
      18. More on Alternating Current-2
    18. More on Alternating Current-2
      19. Problem-Alternating Current
    19. Problem-Alternating Current
      20. Introduction to Galvanometer
    20. Introduction to Galvanometer
      6174 views
      21. Ammeter
    21. Ammeter
      2530 views
      22. Derivation and Sensitivity of Galvanometer
    22. Derivation and Sensitivity of Galvanometer
      23. Electromotive Force
    23. Electromotive Force
      7945 views
      24. Problem-Electromotive Force
    24. Problem-Electromotive Force
      678 views
      25. The Measurement of e.m.f
    25. The Measurement of e.m.f
      2452 views
      26. Problem-Measurement of e.m.f
    26. Problem-Measurement of e.m.f
      642 views
      27. Electromotive Force (EMF) and Potential Difference
    27. Electromotive Force (EMF) and Potential Difference
      22595 views
      28. More on Electromotive Force (EMF) and Potential Difference
    28. More on Electromotive Force (EMF) and Potential Difference
      11087 views
      29. Problem-Electromotive Force (EMF) and Potential Difference
    29. Problem-Electromotive Force (EMF) and Potential Difference
      2099 views
      30. Relation Between Electromotive Force and Potential Difference and Internal Resistance of The Source
    30. Relation Between Electromotive Force and Potential Difference and Internal Resistance of The Source
      3282 views
      31. More on Relation Between Electromotive Force and Potential Difference and Internal Resistance of The Source
    31. More on Relation Between Electromotive Force and Potential Difference and Internal Resistance of Th
      1705 views
      32. Problem-Relation Between Electromotive Force and Potential Difference and Internal Resistance of The Source
    32. Problem-Relation Between Electromotive Force and Potential Difference and Internal Resistance of Th
      899 views
      33. Conversion of Galvanometer to Voltmeter
    33. Conversion of Galvanometer to Voltmeter
      34. More on Voltmeter
    34. More on Voltmeter
      4815 views
      35. Problem on Conversion of Galvanometer to Voltmeter
    35. Problem on Conversion of Galvanometer to Voltmeter
      36. E.M.F of Sources connected in Parallel
    36. E.M.F of Sources connected in Parallel
      37. Resistance
    37. Resistance
      2025 views
      38. Ohm's Law
    38. Ohm's Law
      6039 views
      39. Characteristics of Ohmic and Non Ohmic Conductors
    39. Characteristics of Ohmic and Non Ohmic Conductors
      3374 views
      40. Problem-Characteristics of Ohmic and Non Ohmic Conductors
    40. Problem-Characteristics of Ohmic and Non Ohmic Conductors
      1067 views
      41. More on Ohm's law
    41. More on Ohm's law
      8030 views
      42. Problem-Ohm's Law
    42. Problem-Ohm's Law
      3130 views
      43. Electrical Resistance
    43. Electrical Resistance
      3495 views
      44. Ohm's law
    44. Ohm's law
      12914 views
      45. Applications of Ohm's Law in Circuit Analysis
    45. Applications of Ohm's Law in Circuit Analysis
      851 views
      46. Specific Resistance
    46. Specific Resistance
      5575 views
      47. Problem 1-Specific Resistance
    47. Problem 1-Specific Resistance
      972 views
      48. Problem 2-Specific Resistance
    48. Problem 2-Specific Resistance
      1340 views
      49. Effect of Temperature Upon Resistance
    49. Effect of Temperature Upon Resistance
      4037 views
      50. Problem1-Effect of Temperature Upon Resistance
    50. Problem1-Effect of Temperature Upon Resistance
      1466 views
      51. Problem2-Effect of Temperature Upon Resistance
    51. Problem2-Effect of Temperature Upon Resistance
      621 views
      4.3: Electric Circuits (Practice Test)
      Representing Some Circuit Diagrams Using Electric Symbols
    1. Representing Some Circuit Diagrams Using Electric Symbols
      44 views
      2. Series combination of Resistors
    2. Series combination of Resistors
      4729 views
      3. Problem1-Series Combination of Resistors
    3. Problem1-Series Combination of Resistors
      774 views
      4. Parallel Combination to Resistors
    4. Parallel Combination to Resistors
      3377 views
      5. More on Parallel Combination to Resistors
    5. More on Parallel Combination to Resistors
      881 views
      6. Problem 1-Parallel combination to Resistors
    6. Problem 1-Parallel combination to Resistors
      625 views
      7. Problem 2-Parallel combination to Resistors
    7. Problem 2-Parallel combination to Resistors
      542 views
      8. Problem 3-Parallel combination to Resistors
    8. Problem 3-Parallel combination to Resistors
      480 views
      9. Problem 4-Parallel combination to Resistors
    9. Problem 4-Parallel combination to Resistors
      475 views
      10. Review of Series and Parallel Combination of Resistors
    10. Review of Series and Parallel Combination of Resistors
      6017 views
      11. More on Review of Series and Parallel Combination of Resistors
    11. More on Review of Series and Parallel Combination of Resistors
      4116 views
      12. Problem2-Review of Series and Parallel Combination of Resistors
    12. Problem2-Review of Series and Parallel Combination of Resistors
      2359 views
      13. Thermistor
    13. Thermistor
      2834 views
      14. Light Dependent Resister (l.d.r)
    14. Light Dependent Resister (l.d.r)
      79 views
      15. Potential Divider
    15. Potential Divider
      2986 views
      16. Problem- Potential Divider
    16. Problem- Potential Divider
      938 views
      17. Electric Power
    17. Electric Power
      3464 views
      18. Problem 1-Electric Power
    18. Problem 1-Electric Power
      601 views
      19. Problem 2-Electric Power
    19. Problem 2-Electric Power
      592 views
      20. Electrical Energy and Joules law
    20. Electrical Energy and Joules law
      7128 views
      21. Kilowatt Hour
    21. Kilowatt Hour
      2899 views
      4.4: Electromagnetic Effects (Practice Test)
      Introduction to Electromagnetic Induction
    1. Introduction to Electromagnetic Induction
      7931 views
      2. Induced EMF and Induced Current
    2. Induced EMF and Induced Current
      24484 views
      3. More on Induced EMF and Induced Current
    3. More on Induced EMF and Induced Current
      9483 views
      4. Factors Affecting Induced EMF
    4. Factors Affecting Induced EMF
      2894 views
      5. Faraday's Law and Induced EMF
    5. Faraday's Law and Induced EMF
      12280 views
      6. Problem-Faraday's Law and Induced EMF
    6. Problem-Faraday's Law and Induced EMF
      3012 views
      7. Lenz's Law
    7. Lenz's Law
      5409 views
      8. Lenz's Law and Direction of Induced EMF
    8. Lenz's Law and Direction of Induced EMF
      17668 views
      9. Problem-Lenz's Law and Direction of Induced EMF
    9. Problem-Lenz's Law and Direction of Induced EMF
      2664 views
      10. Lenz's Law and Conservation of Energy
    10. Lenz's Law and Conservation of Energy
      5930 views
      11. AC Generator
    11. AC Generator
      13183 views
      12. Alternating Current Generator
    12. Alternating Current Generator
      17405 views
      13. More on Alternating Current Generator-1
    13. More on Alternating Current Generator-1
      9173 views
      14. More on Alternating Current Generator-2
    14. More on Alternating Current Generator-2
      6671 views
      15. Problem-Alternating Current Generator
    15. Problem-Alternating Current Generator
      1726 views
      16. Magnetic Field Due to a Current Carrying Solenoid
    16. Magnetic Field Due to a Current Carrying Solenoid
      17. More on Field Due to a Current Carrying Solenoid
    17. More on Field Due to a Current Carrying Solenoid
      7424 views
      18. Problem-Field Due to a Current Carrying Solenoid
    18. Problem-Field Due to a Current Carrying Solenoid
      2201 views
      19. Back Motor Effect in Generator
    19. Back Motor Effect in Generator
      8504 views
      20. Moving Coil Loudspeaker
    20. Moving Coil Loudspeaker
      5859 views
      21. Force on a Current Carrying Conductor Place in a Magnetic Field
    21. Force on a Current Carrying Conductor Place in a Magnetic Field
      8068 views
      22. Problem1-Force on a Current Carrying Conductor Place in a Magnetic Field
    22. Problem1-Force on a Current Carrying Conductor Place in a Magnetic Field
      1482 views
      23. Problem2-Force on a Current Carrying Conductor Place in a Magnetic Field
    23. Problem2-Force on a Current Carrying Conductor Place in a Magnetic Field
      1054 views
      24. More on Force on a Current Carrying Conductor Placed in a Magnetic Field
    24. More on Force on a Current Carrying Conductor Placed in a Magnetic Field
      4.5: Radioactivity (Practice Test)
      More on Force on a Current Carrying Conductor in a Uniform B Field
    1. More on Force on a Current Carrying Conductor in a Uniform B Field
      10690 views
      2. Problem1-Force on a Current Carrying Conductor Place in a Magnetic Field
    2. Problem1-Force on a Current Carrying Conductor Place in a Magnetic Field
      3346 views
      3. Problem2-Force on a Current Carrying Conductor Place in a Magnetic Field
    3. Problem2-Force on a Current Carrying Conductor Place in a Magnetic Field
      2481 views
      4. DC Motor
    4. DC Motor
      11367 views
      5. D.C. Motor
    5. D.C. Motor
      4864 views
      6. Transformer
    6. Transformer
      7623 views
      7. More on Transformer
    7. More on Transformer
      4167 views
      8. Problem1-Transformer
    8. Problem1-Transformer
      1022 views
      9. Problem2-Transformer
    9. Problem2-Transformer
      792 views
      10. Transformer
    10. Transformer
      9675 views
      11. More on Transformer
    11. More on Transformer
      5473 views
      12. Problem-Transformer
    12. Problem-Transformer
      1813 views
      13. High Voltage Transmission
    13. High Voltage Transmission
      3162 views
      14. Sources of Power Loss in Transformer
    14. Sources of Power Loss in Transformer
      3361 views
      15. Cathode Ray Oscilloscope
    15. Cathode Ray Oscilloscope
      11659 views
      16. Using the C.R.O
    16. Using the C.R.O
      379 views
      17. Problem- Using the C.R.O
    17. Problem- Using the C.R.O
      2083 views
      18. Cathode Ray Oscilloscope
    18. Cathode Ray Oscilloscope
      8363 views
      19. Uses of CRO
    19. Uses of CRO
      4973 views

    Chapter 5 Nuclear Physics ( 18 videos)  (Practice Test)

      5.1: The Nuclear Model of Atom (Practice Test)
      Introduction to Atom
    1. Introduction to Atom
      5451 views
      2. The Nucleus
    2. The Nucleus
      616 views
      3. Atom and Atomic Nucleus
    3. Atom and Atomic Nucleus
      3149 views
      4. Problem-Atom and Atomic Nucleus
    4. Problem-Atom and Atomic Nucleus
      2180 views
      5. Rutherford's Atomic Model
    5. Rutherford's Atomic Model
      22654 views
      6. Advantages and Defects in Rutherford's Atomic Model
    6. Advantages and Defects in Rutherford's Atomic Model
      12554 views
      7. Atomic Nucleus
    7. Atomic Nucleus
      8981 views
      8. More on Atomic Nucleus
    8. More on Atomic Nucleus
      3935 views
      9. Isotopes
    9. Isotopes
      11479 views
      10. Isotopes of Carbon, Chlorine and Uranium
    10. Isotopes of Carbon, Chlorine and Uranium
      4023 views
      11. More on Isotopes
    11. More on Isotopes
      2982 views
      12. Relative Abundance of Isotopes
    12. Relative Abundance of Isotopes
      4339 views
      13. Calculate Percentage Abundance
    13. Calculate Percentage Abundance
      2649 views
      14. Uses of Isotopes
    14. Uses of Isotopes
      10948 views
      15. Radioactivity
    15. Radioactivity
      12111 views
      16. Spontaneous Disintegration
    16. Spontaneous Disintegration
      1559 views
      17. Alpha, Beta, and Gamma Decay
    17. Alpha, Beta, and Gamma Decay
      1061 views
      18. The Geiger-Muller (G-M) Tube
    18. The Geiger-Muller (G-M) Tube
      3919 views

    Chapter 6 Space Physics ( 37 videos)  (Practice Test)

      6.1: Earth and Solar System (Practice Test)
      Geiger-Muller Counter
    1. Geiger-Muller Counter
      41047 views
      2. 1-More on Geiger-Muller Counter
    2. 1-More on Geiger-Muller Counter
      28487 views
      3. 2-More on Geiger-Muller Counter
    3. 2-More on Geiger-Muller Counter
      17424 views
      4. Background Radiations
    4. Background Radiations
      4178 views
      5. Alpha Emission
    5. Alpha Emission
      4776 views
      6. Beta Emission
    6. Beta Emission
      4642 views
      7. Gamma Emission
    7. Gamma Emission
      3813 views
      8. Laws of Radioactive decay
    8. Laws of Radioactive decay
      6265 views
      9. 1-More on Laws of Radioactive decay
    9. 1-More on Laws of Radioactive decay
      2521 views
      10. 2-More on Laws of Radioactive decay
    10. 2-More on Laws of Radioactive decay
      1499 views
      11. Problem-Radioactive Decay Law
    11. Problem-Radioactive Decay Law
      835 views
      12. Comparison between Alpha, Beta and Gamma Radiations
    12. Comparison between Alpha, Beta and Gamma Radiations
      2909 views
      13. More on Comparison between Alpha, Beta and Gamma Radiations
    13. More on Comparison between Alpha, Beta and Gamma Radiations
      992 views
      14. Fission Reaction
    14. Fission Reaction
      6923 views
      15. More on Fission Reaction
    15. More on Fission Reaction
      2821 views
      16. Problem-Fission Reaction
    16. Problem-Fission Reaction
      1029 views
      17. Nuclear Fission
    17. Nuclear Fission
      5736 views
      18. More on Nuclear Fission-1
    18. More on Nuclear Fission-1
      3294 views
      19. More on Nuclear Fission-2
    19. More on Nuclear Fission-2
      2586 views
      20. Fission Chain Reaction
    20. Fission Chain Reaction
      5161 views
      21. Nuclear Fusion Reaction
    21. Nuclear Fusion Reaction
      7958 views
      22. Fusion Reaction
    22. Fusion Reaction
      5713 views
      23. More on Fusion Reaction
    23. More on Fusion Reaction
      2993 views
      24. Fusion and Stellar Energy
    24. Fusion and Stellar Energy
      3099 views
      25. More on Fusion and Stellar Energy
    25. More on Fusion and Stellar Energy
      2204 views
      26. Nuclear Reactor
    26. Nuclear Reactor
      4858 views
      27. More on Nuclear Reactor-1
    27. More on Nuclear Reactor-1
      3546 views
      28. More on Nuclear Reactor-2
    28. More on Nuclear Reactor-2
      2679 views
      29. Half Life and its Measurements
    29. Half Life and its Measurements
      10024 views
      30. Problem1-Half Life and its Measurements
    30. Problem1-Half Life and its Measurements
      3533 views
      31. Problem2-Half Life and its Measurements
    31. Problem2-Half Life and its Measurements
      1978 views
      32. Problem3-Half Life and its Measurements
    32. Problem3-Half Life and its Measurements
      1664 views
      33. More on Half Life and its Measurements
    33. More on Half Life and its Measurements
      34. More on Half Life and its Measurements
    34. More on Half Life and its Measurements
      35. Activity of a Radioactive Substance
    35. Activity of a Radioactive Substance
      36. Problem on Activity of a Radioactive Substance
    36. Problem on Activity of a Radioactive Substance
      37. Uses of Radio Isotopes
    37. Uses of Radio Isotopes
      6059 views

    Chapter 7 Space Physics ( 51 videos)  (Practice Test)

      7.1: Earth and the Solar System (Practice Test)
      The Earth and Sun
    1. The Earth and Sun
      2. The Sun
    2. The Sun
      3. Day and night
    3. Day and night
      4. Light and Shadow
    4. Light and Shadow
      5. Stars and the Sun
    5. Stars and the Sun
      6. Fusion and Stellar Energy
    6. Fusion and Stellar Energy
      3099 views
      7. More on Fusion and Stellar Energy
    7. More on Fusion and Stellar Energy
      2204 views
      8. Orbital Velocity
    8. Orbital Velocity
      6626 views
      9. Problem on Orbital Velocity
    9. Problem on Orbital Velocity
      1513 views
      10. Gravitational Field
    10. Gravitational Field
      5580 views
      11. What is Beyond Our Solar System?
    11. What is Beyond Our Solar System?
      279 views
      12. The Origin of The Universe
    12. The Origin of The Universe
      149 views
      7.2: The Solar System (Practice Test)
      Stars
    1. Stars
      128 views
      2. Galaxies
    2. Galaxies
      311 views
      3. Milky Way Galaxy
    3. Milky Way Galaxy
      201 views
      4. The Moon and Stars
    4. The Moon and Stars
      5. Stars and the Sun
    5. Stars and the Sun
      6. Planets of Our Solar System
    6. Planets of Our Solar System
      7. Mercury, Venus, Earth and Mars
    7. Mercury, Venus, Earth and Mars
      8. Mercury, Venus, Earth and Mars (continued)
    8. Mercury, Venus, Earth and Mars (continued)
      9. Jupiter, Saturn, Uranus and Neptune
    9. Jupiter, Saturn, Uranus and Neptune
      10. Jupiter, Saturn, Uranus and Neptune (continued)
    10. Jupiter, Saturn, Uranus and Neptune (continued)
      11. Meteoroids
    11. Meteoroids
      12. Asteroids
    12. Asteroids
      13. Comets
    13. Comets
      14. Uniform Circular Motion
    14. Uniform Circular Motion
      7147 views
      15. Gravitational Field
    15. Gravitational Field
      5580 views
      16. Orbital Velocity
    16. Orbital Velocity
      6626 views
      17. Birth Of A Star
    17. Birth Of A Star
      102 views
      18. Death Of A Star
    18. Death Of A Star
      77 views
      19. Black Holes
    19. Black Holes
      147 views
      20. Looking At Stars
    20. Looking At Stars
      27 views
      21. Constellations
    21. Constellations
      136 views
      22. Safety Tips For Observing The Sun
    22. Safety Tips For Observing The Sun
      63 views
      23. Applications of Doppler Effect
    23. Applications of Doppler Effect
      5740 views
      24. More on Applications of Doppler Effect-1
    24. More on Applications of Doppler Effect-1
      3602 views
      25. More on Applications of Doppler Effect-2
    25. More on Applications of Doppler Effect-2
      3026 views
      26. Solar System
    26. Solar System
      27. The Earth and Sun
    27. The Earth and Sun
      28. The Sun
    28. The Sun
      29. Day and night
    29. Day and night
      30. Light and Shadow
    30. Light and Shadow
      31. Comparison of Size of the Earth, the Sun and the Moon
    31. Comparison of Size of the Earth, the Sun and the Moon
      32. Earth's Revolution and Rotation
    32. Earth's Revolution and Rotation
      33. Seasons in Northern and Southern Hemispheres
    33. Seasons in Northern and Southern Hemispheres
      34. Seasons in Northern and Southern Hemispheres (continued)
    34. Seasons in Northern and Southern Hemispheres (continued)
      35. Natural and Artificial Satellites and Their Applications
    35. Natural and Artificial Satellites and Their Applications
      36. What Are Constellations?
    36. What Are Constellations?
      37. Earth as a Planet
    37. Earth as a Planet
      38. Celestial Objects in the Sky During Day and Night
    38. Celestial Objects in the Sky During Day and Night
      39. Earth’s Surface
    39. Earth’s Surface