Physics | Class 9
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- Introduction to Physics
- Importance of Physics in our Daily Life
- Branches of Physics
- More on Branches of Physics
- Physical Quantities
- Problem on Physical Quantities
- Physical Quantities
- Scientific Notation
- Problem on Scientific Notation
- Scientific Notation
- Problem on Introduction to Prefixes
- Scalars and Vectors
- Vector Addition and Subtraction
- Problem1 on Vector Addition and Subtraction
- Measuring with Meter Rule and Measuring Tape
- Introduction to Vernier Calipers
- Measuring with Vernier Calipers
- Introduction to Screw Gauge
- Measuring with Screw Gauge
- Mass Measuring by Physical Balance
- Mass Measuring by Lever Balance
- Electronic Balance
- Measuring Volume by Cylinder
- Measuring Time by Stopwatch
- Errors and Uncertainties
- Precision and Accuracy
- Introduction to Significant Figures
- Rounding Off the Numbers
- Problem on Rounding Off the Numbers
Chapter 1 Physical Quantities and Measurement ( 34 videos) (Practice Test)
1.1: Introduction to Physics (Practice Test)
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1.2: Physical and Non-Physical Quantities (Practice Test)
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1.3: International System of Units (Practice Test)
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1.4: Standard Form / Scientific Notation (Practice Test)
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1.5: Prefixes to Power of Ten (Practice Test)
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1.6: Scalars and Vectors (Practice Test)
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1.7: Measuring Instruments (Practice Test)
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1.8: Errors
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1.9: Precision and Accuracy
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1.10: Significant Figures (Practice Test)
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- Introduction to Mechanics
- Translatory Motion
- Difference Between Distance and Displacement
- Introduction to Speed
- Introduction to Velocity
- Introduction to Acceleration
- Motion of Freely Falling Bodies
- Problem on Motion of Freely Falling Bodies
- Position of an Object
- Graphical Analysis of Motion
- Speed - Time Graph
Chapter 2 Kinematics ( 11 videos) (Practice Test)
2.1: Rest and Motion
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2.2: Distance and Displacement
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2.3: Speed and Velocity
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2.4: Acceleration
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2.5: Motion due to Gravity
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2.6: Graphical Analysis of Motion
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- First Law of Newton
- Second Law of Newton
- Problem on Second Law of Newton
- Third Law of Newton
- Difference Between Mass and Weight
- Gravitational Field
- Introduction to Momentum
- Momentum and Newton's Second Law of motion
- Impulse
- Problem on Impulse
- Law of Conservation of Momentum
Chapter 3 Dynamics-I ( 18 videos) (Practice Test)
3.1: Force
3.2: Newton's Laws of Motion (Practice Test)
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3.3: Mass and Weight
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3.4: Gravitational Field (Practice Test)
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3.5: Momentum (Practice Test)
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- Like and Unlike Parallel Forces
- Introduction to Torque or Moment of a Force
- Axis of Rotation
- Introduction to Couple
- Center of Mass
- Center of Gravity
- Introduction to Equilibrium
- Principle of Moments
- Problem on Principle of Moments
- Problem 1 on Conditions for Equilibrium
- Problem 2 on Conditions for Equilibrium
- Problem 3 on Conditions for Equilibrium
- Problem 4 on Conditions for Equilibrium
- States of Equilibrium
- Stability and Position of Center of Mass
- Introduction to Friction
- Advantages and Disadvantages of Friction
- Rolling Friction
- Method of Reducing Friction
- Uniform Circular Motion
- Centripetal and Centrifugal Force
- Applications of Centripetal Force
- More on Applications of Centripetal Force
- Artificial Satellites
- Advanced Artificial Satellites
Chapter 4 Dynamics-II ( 31 videos) (Practice Test)
4.1: Forces on Bodies
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4.2: Moment of a Force (Practice Test)
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4.3: Center of Mass
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4.4: Equilibrium (Practice Test)
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4.5: Stability (Practice Test)
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4.6: Friction (Practice Test)
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4.7: Centripetal Force (Practice Test)
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4.8: Orbital Motion
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4.9: Planetary Data
- Elasticity
- Elasticity and Plasticity
- Hooke's Law
- Problem on Hooke's Law
- Introduction to Pressure
- Problem on Introduction to Pressure
- Pressure in Liquids
- Problem on Pressure in Liquids
- Measuring Gas Pressure - The Manometer
Chapter 5 Pressure and Deformation in Solids ( 15 videos) (Practice Test)
5.1: Elasticity (Practice Test)
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5.2: Pressure (Practice Test)
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5.3: Atmospheric Pressure
5.4: Liquid Pressure (Practice Test)
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5.5: Manometer
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5.6: Pascal's Principle (Practice Test)
- Introduction to Work
- Problem on Work Done by a Variable Force
- Introduction to Energy
- Kinetic Energy
- Problem on Kinetic Energy
- Potential Energy
- Problem on Potential Energy
- Interconversion of Energy
- Problem on interconversion of K.E and P.E
- Law of Conservation of Energy
- Energy from Tides
- Introduction to Power
- Problem on Introduction to Power
Chapter 6 Work and Energy ( 17 videos) (Practice Test)
6.1: Work
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6.2: Energy and Its Forms (Practice Test)
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6.3: Major Energy Resources
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6.4: Power (Practice Test)
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6.5: Efficiency
- Introduction to Density
- Problem1 on Introduction to Density
- Problem2 on Introduction to Density
- Problem3 on Introduction to Density
- Three States of Matter
- Temperature and Heat
- Introduction to Thermometer
- Thermometric Properties
- Introduction to Thermometer
- Thermocouple Thermometers
- Introduction to Thermometer
Chapter 7 Density and Temperature ( 17 videos) (Practice Test)
7.1: Density
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7.2: Measuring Densities of Different Substances
7.3: States of Matter
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7.4: Plasma as a Fourth State of Matter
7.5: Relationship between the Motion of Particles and Temperature
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7.6: Internal Energy and Temperature of a Substance
7.7: Variatiuon in Physical Properties as a Tool for Meauring Temperature of a Substance
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7.8: Fixed Points in Calibration of Thermometre
7.9: Sensitivity Range and Linearity of Thermometres
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7.10: Structures and Function of Liquid-in-Glass and Thermocouple Thermometres
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7.11: Effect of Structure of a Liquid-in-Glass Thermometre on its Sensitvity, Range and Linearity
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- Theory of Magnetism
- How to Demagnetize a Magnet
- Permanent magnets
- Electromagnets
- Uses of Magnets And Electromagnets
- Applications of Electromagnet
Chapter 8 Magnetism ( 11 videos) (Practice Test)
8.1: Domain Theory of Magnetism
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8.2: Magnetic Field
8.3: Induced Magnetism (Practice Test)
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8.4: Types of Magnetic Materials
8.5: Earth's Magnetic Field
- Introduction to Physics
- Importance of Physics in our Daily Life
- Branches of Physics
- More on Branches of Physics
- Scientific Method
Chapter 9 Nature of Science and Physics ( 7 videos)
9.1: Objectives of Physics
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9.2: Fields of Physics
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9.3: Hypothesis, Theory and Law
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9.4: Science, Technology and Engineering
