Physics | Class 9

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    Chapter 1 Physical Quantities and Measurment ( 31 videos)  (Practice Test)

      1.1: Introduction to Physics (Practice Test)
      Introduction to Physics
    1. Introduction to Physics
      92679 views
      2. Importance of Physics in our Daily Life
    2. Importance of Physics in our Daily Life
      5947 views
      3. Teaching of Islam and Science
    3. Teaching of Islam and Science
      6890 views
      4. Contribution to Science By Pakistani Scientists
    4. Contribution to Science By Pakistani Scientists
      2514 views
      5. Branches of Physics
    5. Branches of Physics
      30872 views
      6. More on Branches of Physics
    6. More on Branches of Physics
      15130 views
      1.2: Physical Quantities (Practice Test)
      Physical Quantities
    1. Physical Quantities
      56493 views
      2. Problem on Physical Quantities
    2. Problem on Physical Quantities
      24852 views
      1.3: International System of Units (Practice Test)
      International Systems of Base Units
    1. International Systems of Base Units
      29680 views
      1.4: Standard Form/Scientific Notation (Practice Test)
      Scientific Notation
    1. Scientific Notation
      14752 views
      2. Problem on Scientific Notation
    2. Problem on Scientific Notation
      3140 views
      1.5: Prefixes to Power of Ten
      Introduction to Prefixes
    1. Introduction to Prefixes
      10268 views
      2. Problem on Introduction to Prefixes
    2. Problem on Introduction to Prefixes
      4804 views
      1.6: Measuring Instruments (Practice Test)
      Measuring with Meter Rule and Measuring Tape
    1. Measuring with Meter Rule and Measuring Tape
      5195 views
      2. Introduction to Vernier Calipers
    2. Introduction to Vernier Calipers
      8542 views
      3. Measuring with Vernier Calipers
    3. Measuring with Vernier Calipers
      8894 views
      4. problem on Measuring with Vernier Calipers
    4. problem on Measuring with Vernier Calipers
      4149 views
      5. Introduction to Screw Gauge
    5. Introduction to Screw Gauge
      5842 views
      6. Measuring with Screw Gauge
    6. Measuring with Screw Gauge
      15856 views
      7. Problem on Measuring with Screw Gauge
    7. Problem on Measuring with Screw Gauge
      2307 views
      8. Mass Measuring by Physical Balance
    8. Mass Measuring by Physical Balance
      5353 views
      9. Measuring Time by Stopwatch
    9. Measuring Time by Stopwatch
      3452 views
      10. Measuring Volume by Cylinder
    10. Measuring Volume by Cylinder
      3068 views
      1.7: Significant Figures (Practice Test)
      Introduction to Significant Figures
    1. Introduction to Significant Figures
      21944 views
      2. Problem on Introduction to Significant Figures
    2. Problem on Introduction to Significant Figures
      2408 views
      3. Problem on Rules to Find the Significant Digits in a Measurement
    3. Problem on Rules to Find the Significant Digits in a Measurement
      1516 views
      4. Zero as Significant Figure
    4. Zero as Significant Figure
      1893 views
      5. Calculation of Significant Figures in Arithmetic Operations
    5. Calculation of Significant Figures in Arithmetic Operations
      2612 views
      6. Problem on Multiplication and Division with Significant Figures
    6. Problem on Multiplication and Division with Significant Figures
      1826 views
      7. Rounding Off the Numbers
    7. Rounding Off the Numbers
      6227 views
      8. Problem on Rounding Off the Numbers
    8. Problem on Rounding Off the Numbers
      1846 views

    Chapter 2 Kinematics ( 26 videos)  (Practice Test)

      2.1: Rest and Motion
      Introduction to Mechanics
    1. Introduction to Mechanics
      9874 views
      2. Types of Motion
    2. Types of Motion
      11281 views
      2.2: Scalars and Vectors
      Scalars and Vectors Quantities
    1. Scalars and Vectors Quantities
      29558 views
      2.3: Terms Associated with Motion (Practice Test)
      Position of an Object
    1. Position of an Object
      4219 views
      2. Difference Between Distance and Displacement
    2. Difference Between Distance and Displacement
      21168 views
      3. Introduction to Speed
    3. Introduction to Speed
      4561 views
      4. Types of Speed
    4. Types of Speed
      5. Problem on Introduction to Speed
    5. Problem on Introduction to Speed
      2531 views
      6. Instantaneous Speed and Velocity
    6. Instantaneous Speed and Velocity
      3137 views
      7. Introduction to Velocity
    7. Introduction to Velocity
      18502 views
      8. Problem on Introduction to Velocity
    8. Problem on Introduction to Velocity
      9471 views
      9. Difference Between Uniform Speed and Uniform Velocity
    9. Difference Between Uniform Speed and Uniform Velocity
      4271 views
      10. Introduction to Acceleration
    10. Introduction to Acceleration
      12317 views
      11. Problem on Introduction to Acceleration
    11. Problem on Introduction to Acceleration
      6449 views
      2.4: Graphical Analysis of Motion
      Graphical Analysis of Motion
    1. Graphical Analysis of Motion
      5191 views
      2. Problem on Distance-Time Graph
    2. Problem on Distance-Time Graph
      2818 views
      3. Speed-Time Graph
    3. Speed-Time Graph
      11825 views
      4. Problem on Speed-Time Graph
    4. Problem on Speed-Time Graph
      5822 views
      2.5: Equations of Motion
      Equations of Motion
    1. Equations of Motion
      15262 views
      2. Problem on First Equation of Motion
    2. Problem on First Equation of Motion
      3441 views
      3. Second Equation of Motion
    3. Second Equation of Motion
      7987 views
      4. Problem on Second Equation of Motion
    4. Problem on Second Equation of Motion
      2364 views
      5. Third Equation of Motion
    5. Third Equation of Motion
      8054 views
      6. Problem on Third Equation of Motion
    6. Problem on Third Equation of Motion
      2078 views
      2.6: Motion Due to Gravity
      Motion of Freely Falling Bodies
    1. Motion of Freely Falling Bodies
      6030 views
      2. Problem on Motion of Freely Falling Bodies
    2. Problem on Motion of Freely Falling Bodies
      2614 views

    Chapter 3 Dynamics ( 34 videos)  (Practice Test)

      3.1: Force
      Introduction to Force
    1. Introduction to Force
      9713 views
      3.2: Newton's Laws of Motion (Practice Test)
      Newton's First Law of Motion
    1. Newton's First Law of Motion
      15598 views
      2. Newton's Second Law of Motion
    2. Newton's Second Law of Motion
      12126 views
      3. Problem on Newton's Second Law of Motion
    3. Problem on Newton's Second Law of Motion
      5721 views
      4. Newton's Third Law of Motion
    4. Newton's Third Law of Motion
      8817 views
      3.3: Weight
      Difference Between Mass and Weight
    1. Difference Between Mass and Weight
      8574 views
      3.4: Linear Momentum (Practice Test)
      Introduction to Momentum
    1. Introduction to Momentum
      7422 views
      2. Problem on Introduction to Momentum
    2. Problem on Introduction to Momentum
      2543 views
      3. Momentum and Newton's Second Law of motion
    3. Momentum and Newton's Second Law of motion
      6044 views
      4. Problem on Relation Between Force and Momentum
    4. Problem on Relation Between Force and Momentum
      1809 views
      5. Law of Conservation of Momentum
    5. Law of Conservation of Momentum
      7151 views
      6. Advanced Law of Conservation of Momentum
    6. Advanced Law of Conservation of Momentum
      9321 views
      7. Problem1-Law of Conservation of Momentum
    7. Problem1-Law of Conservation of Momentum
      3507 views
      8. Problem2-Law of Conservation of Momentum
    8. Problem2-Law of Conservation of Momentum
      2524 views
      9. Momentum and Explosive Forces
    9. Momentum and Explosive Forces
      5762 views
      10. Rocket Propulsion
    10. Rocket Propulsion
      6934 views
      3.5: Friction (Practice Test)
      Introduction to Friction
    1. Introduction to Friction
      7683 views
      2. Problem on Introduction to Friction
    2. Problem on Introduction to Friction
      3. Introduction to Force
    3. Introduction to Force
      9713 views
      4. Advantages and Disadvantages of Friction
    4. Advantages and Disadvantages of Friction
      3639 views
      5. Rolling Friction
    5. Rolling Friction
      6552 views
      6. Braking and Skidding
    6. Braking and Skidding
      3376 views
      7. Method of Reducing Friction
    7. Method of Reducing Friction
      3122 views
      3.6: Connected Bodies (Practice Test)
      Atwood Machine: Case A
    1. Atwood Machine: Case A
      13050 views
      2. More on Atwood Machine: Case A
    2. More on Atwood Machine: Case A
      3. newton's Second Law of motion for Changing Mass
    3. newton's Second Law of motion for Changing Mass
      3512 views
      4. Atwood Machine: Case B
    4. Atwood Machine: Case B
      6615 views
      5. Problem on Tension and Acceleration for Horizontal and Vertical Motion
    5. Problem on Tension and Acceleration for Horizontal and Vertical Motion
      2737 views
      3.7: Uniform Circular Motion (Practice Test)
      Uniform Circular Motion
    1. Uniform Circular Motion
      7147 views
      2. Centripetal and Centrifugal Force
    2. Centripetal and Centrifugal Force
      7101 views
      3. Derivation of Formula for Centripetal Force and Centrifugal Force
    3. Derivation of Formula for Centripetal Force and Centrifugal Force
      4599 views
      4. Problem on Derivation of Formula for Centripetal Force and Centrifugal Force
    4. Problem on Derivation of Formula for Centripetal Force and Centrifugal Force
      1619 views
      5. Applications of Centripetal Force
    5. Applications of Centripetal Force
      5319 views
      6. More on Applications of Centripetal Force
    6. More on Applications of Centripetal Force
      2265 views

    Chapter 4 Turning Effect of Forces ( 24 videos)  (Practice Test)

      4.1: Force Diagrams
      Forces on a Body
    1. Forces on a Body
      1065 views
      2. Like and Unlike Parallel Forces
    2. Like and Unlike Parallel Forces
      10549 views
      4.2: Addition of Forces (Practice Test)
      Addition and Subtraction of Vectors
    1. Addition and Subtraction of Vectors
      20633 views
      2. Problem 1 on Vector Addition and Subtraction
    2. Problem 1 on Vector Addition and Subtraction
      15108 views
      3. Problem 2 on Vector Addition and Subtraction
    3. Problem 2 on Vector Addition and Subtraction
      9509 views
      4.3: Resolution of Forces (Practice Test)
      Resolution of Vector
    1. Resolution of Vector
      3468 views
      2. Problem on Resolution of Forces
    2. Problem on Resolution of Forces
      2100 views
      3. Types of Motion
    3. Types of Motion
      11281 views
      4. Rigid Body
    4. Rigid Body
      5. Axis of Rotation
    5. Axis of Rotation
      5223 views
      4.4: Centre of Mass
      Center of Mass
    1. Center of Mass
      4835 views
      2. Center of Gravity
    2. Center of Gravity
      5470 views
      4.5: Torque or Moment of a Force
      Introduction to Torque or Moment of a Force
    1. Introduction to Torque or Moment of a Force
      7117 views
      2. Problem on Introduction to Torque or Moment of a Force
    2. Problem on Introduction to Torque or Moment of a Force
      2401 views
      4.6: Couple
      Introduction to Couple
    1. Introduction to Couple
      4417 views
      4.7: Equilibrium (Practice Test)
      Introduction to Equilibrium
    1. Introduction to Equilibrium
      11700 views
      2. Problem 1 on Conditions for Equilibrium
    2. Problem 1 on Conditions for Equilibrium
      6138 views
      3. Problem 2 on Conditions for Equilibrium
    3. Problem 2 on Conditions for Equilibrium
      4659 views
      4. Problem 3 on Conditions for Equilibrium
    4. Problem 3 on Conditions for Equilibrium
      4057 views
      5. Problem 4 on Conditions for Equilibrium
    5. Problem 4 on Conditions for Equilibrium
      4589 views
      6. Principle of Moments
    6. Principle of Moments
      5078 views
      7. Problem on Principle of Moments
    7. Problem on Principle of Moments
      2420 views
      8. Equilibrium of Bodies Under the Action of Coplanar Forces
    8. Equilibrium of Bodies Under the Action of Coplanar Forces
      7077 views
      4.8: Stability
      States of Equilibrium
    1. States of Equilibrium
      4928 views

    Chapter 5 Gravitation ( 8 videos)  (Practice Test)

      5.1: Law of Universal Gravitation
      Law of Gravitation
    1. Law of Gravitation
      8771 views
      2. Problem on Law of Gravitation and Newton's Third Law of Motion
    2. Problem on Law of Gravitation and Newton's Third Law of Motion
      2183 views
      5.2: Mass of Earth
      Calculation of Mass of the Earth
    1. Calculation of Mass of the Earth
      9491 views
      5.3: Gravitational Field (Practice Test)
      Gravitational Field
    1. Gravitational Field
      5580 views
      2. Weight Changes with Location on Earth's Surface
    2. Weight Changes with Location on Earth's Surface
      5.4: Variation of 'g' with Altitude (Practice Test)
      Variation of
    1. Variation of "g" with Altitudes
      6651 views
      2. Problem on Variation of
    2. Problem on Variation of "g" with Altitudes
      2176 views
      5.5: Motion of Artificial Satellites
      Artificial Satellites
    1. Artificial Satellites
      5242 views

    Chapter 6 Work and Energy ( 22 videos)  (Practice Test)

      6.1: Work
      Introduction to Work
    1. Introduction to Work
      9168 views
      2. Problem on Work Done by a Variable Force
    2. Problem on Work Done by a Variable Force
      4822 views
      6.2: Energy and its Forms
      Introduction to Energy
    1. Introduction to Energy
      8462 views
      6.3: Kinetic Energy
      Kinetic Energy
    1. Kinetic Energy
      6734 views
      2. Problem on Kinetic Energy
    2. Problem on Kinetic Energy
      3002 views
      3. Forms of Energy
    3. Forms of Energy
      5282 views
      6.4: Potential Energy
      Potential Energy
    1. Potential Energy
      7324 views
      2. Problem on Potential Energy
    2. Problem on Potential Energy
      1338 views
      6.5: Energy Conversion and Conservation
      Law of Conservation of Energy
    1. Law of Conservation of Energy
      2444 views
      2. Problem on Law of Conservation of Energy
    2. Problem on Law of Conservation of Energy
      456 views
      3. Problem on interconversion of K.E and P.E
    3. Problem on interconversion of K.E and P.E
      1422 views
      4. Mass Energy Equation
    4. Mass Energy Equation
      4489 views
      6.6: Major Sources of Energy (Practice Test)
      Energy from Non-Renewable Sources
    1. Energy from Non-Renewable Sources
      3436 views
      2. Energy from Renewable Sources
    2. Energy from Renewable Sources
      1733 views
      3. More on Energy from Renewable Sources
    3. More on Energy from Renewable Sources
      1364 views
      4. Electricity from Fossil Fuels
    4. Electricity from Fossil Fuels
      1533 views
      5. Energy and Environment
    5. Energy and Environment
      1312 views
      6.7: Efficiency
      Efficiency and its Advantages
    1. Efficiency and its Advantages
      2503 views
      2. Problem on Introduction to Efficiency
    2. Problem on Introduction to Efficiency
      302 views
      6.8: Power (Practice Test)
      Power
    1. Power
      7657 views
      2. Kilowatt Hour
    2. Kilowatt Hour
      2899 views
      3. Problem on Introduction to Power
    3. Problem on Introduction to Power
      1590 views

    Chapter 7 Properties of Matter ( 27 videos)  (Practice Test)

      7.1: Kinetic Molecular 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
      7.2: Density
      Introduction to Density
    1. Introduction to Density
      3922 views
      2. Problem 1 on Introduction to Density
    2. Problem 1 on Introduction to Density
      1447 views
      3. Problem 2 on Introduction to Density
    3. Problem 2 on Introduction to Density
      1152 views
      4. Problem 3 on Introduction to Density
    4. Problem 3 on Introduction to Density
      1013 views
      7.3: Pressure (Practice Test)
      Introduction to Pressure
    1. Introduction to Pressure
      4202 views
      2. Problem on Introduction to Pressure
    2. Problem on Introduction to Pressure
      1655 views
      7.4: Atmospheric Pressure
      Atmospheric Pressure, Its Measurement and Variation
    1. Atmospheric Pressure, Its Measurement and Variation
      6129 views
      7.5: Pascal's Principle (Practice Test)
      Pascal’s Law
    1. Pascal’s Law
      4297 views
      2. Problem on Hydraulic Press
    2. Problem on Hydraulic Press
      1622 views
      3. Braking System in Vehicles
    3. Braking System in Vehicles
      2615 views
      7.6: Liquid Pressure (Practice Test)
      Pressure in Liquids
    1. Pressure in Liquids
      5855 views
      2. Problem on Pressure in Liquids
    2. Problem on Pressure in Liquids
      1362 views
      7.7: Upthrust and Buoyancy
      Buoyancy, Upthrust and Principle of Floatation
    1. Buoyancy, Upthrust and Principle of Floatation
      7.8: Archimedes Principle
      Archimedes Principle
    1. Archimedes Principle
      8952 views
      2. Problem on Archimedes Principle
    2. Problem on Archimedes Principle
      1490 views
      3. Buoyancy, Upthrust and Principle of Floatation
    3. Buoyancy, Upthrust and Principle of Floatation
      4. Problem on Principle of Floatation
    4. Problem on Principle of Floatation
      1218 views
      7.9: Elasticity (Practice Test)
      Elasticity
    1. Elasticity
      4794 views
      2. Hooke's Law
    2. Hooke's Law
      6732 views
      3. Problem on Hooke's Law
    3. Problem on Hooke's Law
      1357 views
      7.10: Stress,Strain and Young's Modulus (Practice Test)
      Stress and Strain
    1. Stress and Strain
      4863 views
      2. Young's Modulus
    2. Young's Modulus
      4716 views
      3. Problem 1 on Young's Modulus
    3. Problem 1 on Young's Modulus
      1284 views
      4. Problem 2 on Young's Modulus
    4. Problem 2 on Young's Modulus
      1013 views
      5. Stress-Strain Curve
    5. Stress-Strain Curve
      7679 views

    Chapter 8 Thermal Properties of Matter ( 31 videos)  (Practice Test)

      8.1: Temperature (Practice Test)
      Temperature and heat
    1. Temperature and heat
      15439 views
      2. Internal Energy
    2. Internal Energy
      13002 views
      8.2: Heat
      Temperature and heat
    1. Temperature and heat
      15439 views
      8.3: Measurement of Temperature (Practice Test)
      Thermometric Properties
    1. Thermometric Properties
      3835 views
      2. Introduction to Thermometer
    2. Introduction to Thermometer
      4699 views
      3. Why Mercury is Used in Glass Thermometer ?
    3. Why Mercury is Used in Glass Thermometer ?
      6819 views
      4. Clinical Thermometer
    4. Clinical Thermometer
      1440 views
      5. Scales of Temperature
    5. Scales of Temperature
      1278 views
      6. Scales of Temperature
    6. Scales of Temperature
      7433 views
      7. Conversion of Temperature Among Different Scale
    7. Conversion of Temperature Among Different Scale
      2540 views
      8. Problem 1 on Conversion of Temperature Among Different Scale
    8. Problem 1 on Conversion of Temperature Among Different Scale
      1133 views
      9. Problem 2 on Conversion of Temperature Among Different Scale
    9. Problem 2 on Conversion of Temperature Among Different Scale
      1082 views
      10. Thermal Expansion
    10. Thermal Expansion
      6616 views
      8.4: Thermal Expansion (Practice Test)
      Linear Thermal Expansion in Solids
    1. Linear Thermal Expansion in Solids
      9243 views
      2. Problem on Linear Thermal Expansion in Solids
    2. Problem on Linear Thermal Expansion in Solids
      4426 views
      3. Volume Expansion
    3. Volume Expansion
      7541 views
      4. Problem on Volume Thermal Expansion in Solids
    4. Problem on Volume Thermal Expansion in Solids
      2924 views
      5. Application of Thermal Expansion
    5. Application of Thermal Expansion
      6150 views
      6. Thermal Expansion of Liquids
    6. Thermal Expansion of Liquids
      6302 views
      8.5: Heat Capacity and Specific Heat Capacity
      Difference between Heat Capacity and Specific Heat Capacity
    1. Difference between Heat Capacity and Specific Heat Capacity
      6740 views
      2. Problem1 on Specific Heat Capacity
    2. Problem1 on Specific Heat Capacity
      1499 views
      3. Problem2 on Specific Heat Capacity
    3. Problem2 on Specific Heat Capacity
      1328 views
      8.6: Latent Heat and Phase Change (Practice Test)
      Introduction to Latent Heat of Fusion
    1. Introduction to Latent Heat of Fusion
      5103 views
      2. Problem on Introduction to Latent Heat of Fusion
    2. Problem on Introduction to Latent Heat of Fusion
      1342 views
      3. Latent Heat of Fusion of Ice by an Experiment
    3. Latent Heat of Fusion of Ice by an Experiment
      4268 views
      4. Introduction to Latent Heat of Vaporization
    4. Introduction to Latent Heat of Vaporization
      3026 views
      5. Problem on Introduction to Latent Heat of Vaporization
    5. Problem on Introduction to Latent Heat of Vaporization
      1135 views
      8.7: Evaporation of Liquids (Practice Test)
      Introduction to Evaporation
    1. Introduction to Evaporation
      2084 views
      2. More on Introduction to Evaporation
    2. More on Introduction to Evaporation
      1282 views
      3. Application of Cooling by Evaporation
    3. Application of Cooling by Evaporation
      1041 views
      4. More on Application of Cooling by Evaporation
    4. More on Application of Cooling by Evaporation
      736 views

    Chapter 9 Transfer of Heat ( 10 videos)  (Practice Test)

      9.1: Conduction of Heat (Practice Test)
      Conduction
    1. Conduction
      3828 views
      2. Uses of Conductors and Insulators
    2. Uses of Conductors and Insulators
      2387 views
      9.2: Thermal Conductivity
      Thermal Conductivity
    1. Thermal Conductivity
      8291 views
      2. Problem on Thermal Conductivity
    2. Problem on Thermal Conductivity
      1674 views
      9.3: Convection of Heat
      Convection
    1. Convection
      4097 views
      2. Application of Convection
    2. Application of Convection
      4319 views
      9.4: Radiation of Heat (Practice Test)
      Introduction to Radiations
    1. Introduction to Radiations
      3015 views
      2. Emission and Absorption of Radiations
    2. Emission and Absorption of Radiations
      2130 views
      3. Application and Consequences of Radiation
    3. Application and Consequences of Radiation
      2260 views
      9.5: Green House Effect and Global Warming
      Green House Effect
    1. Green House Effect
      3546 views