Physics - Class IX Resources

The following list of online resources are provided as a sample of curated resources. New resources shall be added as we come across interesting and relevant online materials.

1. Distance, Displacement, Speed, and Velocity

Description: Explanation on the concept of distance, displacement, speed, and velocity.

Core Concepts: Forces and acceleration: Distance, displacement, speed, and velocity. 

Link: Video on distance, displacement, speed and velocity

2. What is Velocity?

Description: Explanation of velocity and calculations related to velocity.

Core Concepts: Forces and acceleration: Velocity and its calculation.

Link: Video on velocity

3. Physics- What is Acceleration?

Description: Explanation of acceleration, mathematical representation, and calculation related to acceleration.

Core Concepts: Forces and acceleration: Acceleration and its calculation.

Link: Video on acceleration

4. Distance Time Graph and Velocity Time Graph

Description: Interpretation of distance-time graph and velocity-time graph.

Core Concepts: Forces and acceleration: Graphical representation of distance-time graph and velocity-time graph

Link: Video on distance time graph

5. Simulation on Forces and Motion

Description: Interactive simulation on the concept of balance, unbalanced, and resultant forces.

Core Concepts: Balanced and unbalanced forces.

Link: Simulation on balanced and unbalanced forces

6. What is Momentum? Forces and Laws of Motion.

Description: Concept of forces and momentum, mathematical representation, and application.

Core Concepts: Momentum of a body.

Link: Video on momentum

7. Equations of Motion 

Description: Explanation of equations of linear motion.

Core Concepts: Equations of linear motion.

Link: Video on equations of motion

8. Equations of Motion 

Description: Derivation and application of equations of motion.

Core Concepts: Equations of linear motion.

Link: Video on equations of motion 2

9. Newton’s First Law of Motion: Mass and Inertia

Description: Explanation of the concept of law of inertia and its application.

Core Concepts: Newton’s first law of motion.

Link: Newton's first law of motion

10. Newton’s First Law of Motion

Description: Explanation of Newton’s first law of motion.

Core Concepts: Newton’s first law of motion.

Link: Newton's first law of motion applications

11. Experimental Verification of Newton’s Second Law of Motion 

Description: The concept, practical demonstration, calculation, and experimental verification of Newton’s second law of motion .

Core Concepts: Newton’s second law of motion.

Link: Video on Experimental verification on Newton's second law of motion

12. Verification of Newton’s Second Law

Description: Interactive simulation to verify Newton’s second law of motion. 

Core Concepts: Newton’s second law of motion.

Link: Simulation link on verification on Newton's second law of motion

13. Newton's Third Law of Motion: Action and Reaction

Description: Explanation of the Newton’s third law of motion.

Core Concepts: Newton’s third law of motion.

Link: Video on Newton's third law of motion

14. How to Make a High Speed Water Boat using DC Motor

Description: Procedures on construction of a water boat using a DC motor based on Newton's third of motion .

Core Concepts: Newton’s third law of motion.

Link: Video on construction of high speed boat

15. Liquid Pressure

Description: Interactive simulation to explain the factors affecting liquid pressure.

Core Concepts: Pressure inside a liquid.

Link: Simulation link on pressure inside a liquid pressure

16. What is Buoyancy?

Description: Explanation on the concept of buoyancy.

Core Concepts: Buoyant force: Up thrust.

Link: Video on buoyancy

17. What is the Archimedes’ Principle?

Description: Explanation of Archimedes principle.

Core Concepts: Buoyant force: Archimedes' principle.

Link: Video on Archimedes' principle

18. Archimedes’ Principle

Description: Explanation, verification and application of Archimedes’ principle.

Core Concepts: Buoyant force: Archimedes' principle.

Link: Video on Archimedes' principle

19. What is Relative Density?

Description: Explanation of relative density.

Core Concepts: Buoyant force: Archimedes' principle.

Link: Video on relative density

20. Verification of Archimedes’ Principle

Description: Interactive simulation to verify Archimedes' principle.

Core Concepts: Buoyant force: Archimedes' principle.

Link: Simulation on verification of Archimedes' principle

21. Converting between Temperature Scales (Celsius, Fahrenheit and Kelvin)

Description: Method to convert the temperature from Celsius to Fahrenheit and kelvin scale.

Core Concepts: Heat and Temperature: Measurement of temperature.

Link: Video on conversion between temperature scales

22. Thermal Insulation

Description: Explanation of  basic concepts on thermal insulation.

Core Concepts: Energy transfer: Thermal insulation.

Link: Video on thermal insulation

23. Specific Heat Capacity Explained

Description: The video contains the concept, formula of heat gained/lost and applications of specific heat capacity.

Core Concepts: Energy transfer: Specific heat capacity.

Link: Video on specific heat capacity

24. Specific Heat Capacity

Description: Explanation of specific heat capacity.

Core Concepts: Energy transfer: Specific heat capacity.

Link: Video on specific heat capacity 

25. Latent Heat: Chemistry

Description: Explanation of latent heat of fusion and latent heat of vaporization, examples and applications.

Core Concepts: Energy transfer: Latent heat.

Link: Video on latent heat of fusion and latent heat of vaporization

26. Circuit Construction Kits

Description: Interactive simulation to construct  a circuit to demonstrate direction of flow of charge and conventional current.

Core Concepts: Electric current.

Link: Simulation on circuit construction and flow of charge

27. Circuit Construction Kits

Description: Interactive simulation to construct a circuit using ac and dc source to study their properties graphically. 

Core Concepts: Alternating current and direct current.

Link: Simulation on circuit construction using dc and ac source

28. Difference between AC and DC Explained

Description: Explanation of differences between AC and DC with graphical representation.

Core Concepts: Alternating current and direct current.

Link: Video on difference between AC and DC

29. Faraday’s Law

Description: Interactive simulation on demonstration of  Faraday’s law of electromagnetic induction.

Core Concepts: Electromagnetic induction.

Link: Simulation link on Faraday's law

30. What is Electromagnetic Induction?

Description: Explanation and demonstration of electromagnetic induction.

Core Concepts: Electromagnetic induction.

Link: Video on electromagnetic induction

31. Lenz Law

Description: Demonstration on Lenz’s Law.

Core Concepts: Electromagnetic induction.

Link: Video on Lenz law

32. The Lorentz Force

Description: Demonstration on Lorentz force.

Core Concepts: Electromagnetic induction and D.C motor.

Link: Video on Lorentz force

33. Build a Simple Electric Motor

Description:  Procedure to o build a simple D.C motor based on the concept of electromagnetic induction.

Core Concepts: Electromagnetic induction and D.C motor.

Link: Video on procedure to build a simple electric motor

34. Bending Light

Description: Interactive simulation to show the bending of light when it travels from one medium to the other by altering the angle of incidence.

Core Concepts: Refraction of light.

Link: Simulation on blending light

35. Refraction of Light

Description: This  video contains the concepts and demonstration on refraction of light.

Core Concepts: Refraction of light.

Link: Video on refraction of light

36. Laws of Refraction of Light

Description: Explanation of  laws of refraction of light and the refractive index.

Core Concepts: Refraction of light.

Link: Video on laws of refraction of light

37. Total Internal Reflection - Critical Angle

Description: Explanation of critical angle and total internal reflection.

Core Concepts: Total internal reflection.

Link: Video on total internal reflection

38. Total Internal Reflection Demo

Description: Demonstration of total internal reflection using a water tank.

Core Concepts: Total internal reflection.

Link: Video on demonstration of total internal reflection

39. Mirage an Optical Illusion

Description: Formation of optical illusion in desert.

Core Concepts: Total internal reflection.

Link: Video on mirage: an optical illusion

40. Effects of Total Internal Reflection

Description: Natural consequences and effects of total internal reflection.

Core Concepts: Total internal reflection.

Link: Video on effects of total internal reflection

41. Different Types of Waves: Longitudinal and Mechanical

Description: Explanation of different types of waves.

Core Concepts: Types of waves.

Link: Video on types of waves

42. Types of Waves, Frequency Amplitude and Sound Waves

Description: Explanation of terms used to describe waves (frequency, amplitude, time period, wavelength, and wave velocity). 

Core Concepts: Characteristics of waves.

Link: Video on  wavelength, frequency and amplitude of sound waves

43. Longitudinal and Transverse Wave Basics

Description: Interactive simulation to demonstrate longitudinal and transverse waves.

Core Concepts: Characteristics of waves.

Link: Simulation on waves

44. Wave on a String

Description: Interactive simulation to demonstrate using a waves.

Core Concepts: Characteristics of waves.

Link: Simulation on characteristics of waves

45. How Ultrasound Works

Description: Explanation on working of ultrasound.

Core Concepts: Uses of wave.

Link: Animated video on how ultrasound works

46. Sonar, How Sonar Works in Submarine

Description: Explanation of working of sonar.

Core Concepts: Uses of wave.

Link:  Video on how sonar works in submarine

47. Radar and Doppler Effect

Description: Explanation on working of RADAR.

Core Concepts: Uses of wave.

Link:  Video on Radar and the Doppler effects

48. Relative Positions

Description: Explanation of relative position of moon.

Core Concepts: Physical and chemical properties of the Moon and its environment.

Link: Webpage on relative positions