# Class 9 Physics [Chapter and Topic wise]

**Chapters & Topics covered**On this page, you will find links to Class 9 Physics study materials (chapter-wise). Students of different national and international boards including CBSE, ICSE, and IGCSE will find this page useful for them.

**Motion**

**Theory, Notes & Formulas**

Uniform Motion | Uniform Linear Motion

What is the difference between distance and displacement?

Average velocity – definition, formula, numerical problem

What is the difference between average speed and average velocity

Kinematics equations – quick reckoner of motion equations

**Derivation of motion equations**

Derivation of the Equations of Motion | deriving ‘suvat equations’

**Motion** **Graphs**

How to use graph paper to draw motion graphs?

The velocity-time graph & speed-time graph – comparison

Velocity from a Displacement-Time Graph – how to derive?

How to determine Acceleration on displacement-time graphs

displacement from a velocity-time graph

Non-uniform acceleration on a velocity-time graph

**Motion Numericals**

Numericals of Motion Class 9 – solved

Numericals on distance and displacement class 9

Speed and velocity numerical for class 9

Acceleration Numericals Class 9

[PDF] 25 Motion Numerical Problems for Class 9

Physics Numerical for class 9 motion & other chapters with answers & [PDF]

**Motion Calculators**

Average Velocity Calculator (using Initial and Final Velocity)

Average Velocity Calculator – using Displacement

Average Acceleration Calculator

**Motion** **Worksheets**, **MCQ**

Worksheet on distance-time graph & velocity-time graph – Q&A

Multiple Choice Questions on Motion physics (MCQs on motion)

**Force and Laws of Motion**

**Force and Laws of motion – Theory, Notes, and formula**

Laws of Motion class 9 – statement, & concepts

Newton’s Second Law and Equation of Force

**Force and Laws of Motion – Numerical**

Force and Laws of Motion Class 9 Numericals

**Force and Laws of Motion** – worksheets

Worksheet on Force and Laws of Motion class 9

Force and Laws of Motion class 9 MCQ

Force and motion worksheet with numerical problems & solved

**Gravitation**

**Gravitation – Notes, Numericals, Worksheets**

Universal Law of Gravitation & Derivation of Gravitational Force formula

Gravitation class 9 Numericals

Gravitation Class 9 Question and Answer

Numerical Worksheet on Gravity & Gravitational force & Universal Law of gravitation

**Force & Pressure**

Force and Pressure Class 8 & 9 Worksheets

Thrust and Pressure Numericals for class 9 [solved]

**Freefall, Vertical Motion**

Vertical motion with derivation of equations

Numerical problems on Vertical motion

**Mass & Weight**

What is weight in physics class 9

Difference between mass and weight

**Floatation, Buoyancy**

Equilibrium of a floating ship

**Density, RD**

Specific gravity & Relative Density – are they the same?

**Work and Energy**

**Work and Energy for class 9 – Theory, Notes, formulas, derivation**

Equations & Formulae from the Energy chapter

Potential Energy Diagrams of different types

Derivation of Gravitational potential energy equations

Derivation of Kinetic Energy Equation in a minute | Derive Translational KE equation

Relation between kinetic energy and momentum

Law of Conservation of Energy and how to derive its equation

Transfers between kinetic & potential energy in a simple pendulum

Work-Kinetic Energy Theorem with the Derivation of mathematical expression

Commercial unit of energy class 9

Calculating Electrical Energy consumption & kWh

Different types of energy stores

### Work Energy Power – **Numerical, worksheet**

Class 9 Physics Work and Energy Numericals

Numerical Problems worksheet on Energy transformation or conversion [Advanced]

Numericals on electrical energy (kWh consumption)

Conservation of Energy problems [numerical problems solved]

Numerical on Work Energy Power solved worksheet ICSE, CBSE

**Sound**

**Sound – Theory, Notes, Formulas**

Sound characteristics | Features of sound

Derive the Equation of the speed of sound

Speed of sound in different media at 25 degree Celsius

Longitudinal Wave Graphical Representation

Minimum Distance to Hear an Echo

Doppler effect or Doppler shift

**Sound – Numericals, Q/A**

Sound class 9 Numerical with solutions

Numerical problems on Echo of sound

Sonar Numericals (sound physics)

**Class 9 Physics Q/A**