CBSE Class 9 Science Physics syllabus session 2023-24 - Param Himalaya

CBSE Class 9 Physics syllabus session 2023-24

Theme: Moving Things, People and Ideas 

Unit III: Motion, Force and Work

Motion: Chapter 7

1. Distance and displacement,
2. Speed and velocity;
3. uniform and non-uniform motion along a straight line; acceleration,
4. distance-time and velocity-time graphs for uniform motion and uniformly accelerated 
5. motion,
6. elementary idea of uniform circular motion.

Force and Newton’s laws : Chapter 8

1. Force and Motion,
2. Newton’s Laws of Motion,
3. Action and Reaction forces,
4. Inertia of a body,
5. Inertia and mass,
6. Momentum,
7. Force and Acceleration. 

Gravitation: Chapter 9 A

1. Gravitation;
2. Universal Law of Gravitation,
3. Force of Gravitation of the earth (gravity),
4. Acceleration due to Gravity;
5. Mass and Weight;
6. Free fall.

Floatation: Chapter 9 B

1. Thrust and Pressure.
2. Archimedes’ Principle;
3. Buoyancy.

Work, Energy and Power: Chapter 10

1. Work done by a Force,
2. Energy, power;
3. Kinetic and Potential energy;
4. Law of conservation of energy (excluding commercial unit of Energy).

Sound: Chapter 11

1. Sound:
2. Nature of sound and its propagation in various media, speed of sound,
3. range of hearing in humans;
4. ultrasound;
5. reflection of sound;
6. echo.