The book which can be referred to for ‘basic mathematics’ of physics of class 11 to clear all doubts is the book “Chapter-wise NCERT + Exemplar + Practice Questions with Solutions for CBSE Physics Class 11”. This book is divided into 3 parts. Part A has solutions (question-by-question) of all the questions/exercises given in the NCERT textbook. Part B has solution to questions given in the NCERT Exemplar book. Part C has selected questions for practice required in class 11 examination along with solutions.

The solutions are structured in such a way that all the concepts get cleared by the students.


Revision notes of Physics Class 11


Here are some important points covered in Chapter 1

  • Details about scientific method of observation and mathematical modelling.
  • The two main types of approaches in physics (unification and reduction).
  • How physics impacts the development of devices and the use of concepts of physics in different facets.
  • Different avenues of physics and its division into two types based on the scope (classical physics and modern physics).
  • Macroscopic and microscopic phenomena in physics.


Chapter 2- Units and measurements

It covers various units of measurements and their use in measuring distance or time between many objects. The main portions are:

  • Measurement and units for quantities like length, time, etc.
  • How to measure long distances using the parallax method.
  • The use of an electron microscope for measuring small distances.
  • Measuring time using an atomic clock.


Chapter 3- Motion in a straight line

Some important terms related to kinematics are:

  • Motion in one dimension and important features related to it.
  • Rest and motion
  • Position, distance, and placement
  • The difference between speed and velocity


Chapter 4- Motion in a plane

The main points in chapter 4 are:

  • Scalar and vector- unit vector, parallel vectors
  • Addition, subtraction, and scalar multiplication of vectors
  • Average and instantaneous velocity
  • Position vector and displacement
  • Projectile motion


Chapter 5- Law of motion

The chapter includes:

  • Definition of force and basic forces
  • newton’s law of motion
  • Linear momentum
  • Principle of conservation of momentum


Chapter 6- Work, Energy, and power

The important topics in this chapter are:

  • Work and dimensions of the unit of work
  • Conservative and non-conservative forces
  • Power
  • Energy
  • Kinematic energy and its relationship with momentum


Chapter 7- Systems of particles and rotational motion

The key points of this chapter are;

  • The types of motions such as transitional motion, rotational motion, and rotational plus translational motion
  • Rotational dynamics-It has Newton’s laws, the moment of inertia, and theorems based on these concepts
  • Angular momentum, impulse
  • work and energy
  • Rolling- The rolling and sliding which takes place on an inclined plane


Chapter 8- Gravitation

The main points in this topic are:

  • Newton’s law of gravitation
  • The universal constant of gravitation (g) and the variation in g which are based on the distance of the object above the earth’s surface
  • Satellite- It talks about how a satellite is projected to become a circular orbit around a planet.
  • Orbital velocity
  • Period of revolution of a satellite


Chapter 9- Mechanical properties of solids

It discusses about how even rigid bodies can be bent and stretched by applying enough external force. You will get to learn about:

  • Deforming force
  • Elasticity
  • Stress
  • Perfect elastic body
  • Types of stress- Longitudinal, tangential or shearing
  • Hooke’s law


Chapter 10- Mechanical properties of fluids

This chapter explains about Pascal’s and Archimedes’ principles related to fluid dynamics. The key points of this chapter are:

  • Fluid mechanics
  • Pascal’s law
  • Archimedes’ Principle
  • Fluid dynamics- steady flow, line of flow
  • The velocity of Efflux
  • Bernoulli’s theorem


Chapter 11- Thermal Properties of matter

This chapter deals with heat and thermodynamics. The main points are;

  • Thermal properties of matter- temperature, heat, absolute temperature scale, measurement of temperature
  • Thermal expansion
  • Heat transfer- conduction, convection, radiation
  • Newton’s law of cooling


Chapter 12- Thermodynamics

Here, students will get to know about the interrelation between heat and other forms of energy. The key concepts are:

  • Thermal equilibrium
  • Heat, work, internal energy
  • Concepts like static variables, equation of state, quasi-static process
  • Isothermal process
  • 1st law of thermodynamics and its applications


Chapter 13- Kinetic theory

The important topics in this chapter are:

  • Kinetic theory
  • Molecular nature of matter- Dalton’s atomic theory, Avogadro’s law, Gay Lussac’s law
  • Molecular structure of solids, liquids, and gases
  • Discussion about the behavior of gases and the perfect gas equation
  • How Boyle’s and Charle’s laws are deduced


Chapter 14- Oscillations and waves

The key points of this chapter are;

  • About the definition of oscillation and waves
  • Main concepts related to oscillation like amplitude, period, acceleration, etc.
  • Simple harmonic motion time
  • Damped and forced oscillations


Do you know the answer of the following question?


The vector sum of the forces of 10 newton and 6 newton can be:

  1. A) 2N
  2. B) 8N
  3. C) 18N
  4. D) 20N