Physics Questions and Answers – Class 11

Physics Class 11 Questions and Answers

Our 1000+ “Physics – Class 11” (along with 1000+ “Physics – Class 12”) questions and answers focuses on all areas of Physics covering 200+ topics in Physics. One can read Class 12 Here. These topics are chosen from a collection of most authoritative and best reference books on Physics. One should spend 1 hour daily for 2-3 months to learn and assimilate Physics comprehensively. This way of systematic learning will prepare anyone easily towards Physics interviews, online tests, examinations and certifications.


– 1000+ Multiple Choice Questions & Answers in Physics with explanations
– Every MCQ set focuses on a specific topic in Physics Subject


Who should Practice these Physics Questions?
– Anyone wishing to sharpen their knowledge of Class 11 – Physics Subject
– Anyone preparing for school test and many other online/Offline Tests/Contests in Physics
– Anyone preparing for NEET, IIT JEE, AIIMS & SAT Exams in Physics
– Anyone preparing for various Central board examinations in Physics namely CBSE, ICSE, IGCSE, and NIOS Board
– Anyone preparing for various State board examinations in Physics such as PUC, Intermediate exams, etc
– Anyone preparing for entrance examinations and other competitive examinations such as NTSE, Olympiad, etc
– All – High School Students and Freshers

Here’s list of Questions & Answers on Physics – Class 11 Subject covering 100+ topics:

1. Questions & Answers on Units and Measurements

The section contains questions and answers on units international system, length, mass and time measurements, instruments accuracy and precision, significant figures, dimensional formulae and equations, physical quantities dimensions, dimensional analysis and applications.

The International System of Units
Measurement of Length
Measurement of Mass
Measurement of Time
Accuracy, Precision of Instruments and Errors in Measurement
Significant Figures
Dimensional Formulae and Equations
Dimensional Analysis and its Applications
Dimensions of Physical Quantities

2. Questions on Motion in a Straight Line

The section contains questions on straight line motion basics, straight line position, path length and displacement, straight line average velocity, speed and acceleration, uniformly accelerated motion and relative velocity.

Introduction to Motion in a Straight Line
Position, Path Length and Displacement
Average Velocity and Average Speed
Instantaneous Velocity and Speed
Kinematic Equations for Uniformly Accelerated Motion
Relative Velocity

3. Questions & Answers on Motion in a Plane


The section contains questions and answers on plane scalars and vectors, vectors resolution, vector addition analytical method, plane motion, graphical method, two dimensions relative velocity, plane motion with constant acceleration, simple projectile and uniform circular motions.

Scalars and Vectors
Multiplication of Vectors by Real Numbers
Resolution of Vectors
Vector Addition – Analytical Method
Motion in a Plane
Motion in a Plane with Constant Acceleration
Relative Velocity in Two Dimensions
Simple Projectile Motion
Uniform Circular Motion
Addition and Subtraction of Vectors – Graphical Method

4. Questions on Laws of Motion

The section contains questions on motion basic laws, newtons first, second and third laws, momentum conservation, particle equilibrium, non-uniform circular motion, mechanics common forces and problems.

Laws of Motion Basics
Newton’s First Law of Motion
Newton’s Second Law of Motion
Newton’s Third Law of Motion
Conservation of Momentum
Equilibrium of a Particle
Non-Uniform Circular Motion
Common Forces in Mechanics
Solving Problems in Mechanics

5. Questions & Answers on Work, Energy and Power

The section contains questions and answers on work, energy and power basics, work energy theorem, kinetic energy, friction, potential energy, variable force, spring potential energy, energy conservation law, power, collision and mechanical energy conservations.

Introduction to Work, Energy and Power
Work-Energy Theorem
Kinetic Energy
Work Done by a Variable Force
Work-Energy Theorem for a Variable Force
Potential Energy
The Potential Energy of a Spring
Various Forms of Energy : The Law of Conservation of Energy
The Conservation of Mechanical Energy

6. Questions on System of Particles and Rotational Motion

The section contains questions on centre of mass and its motion, two vectors vector product, inertia moment, perpendicular and parallel axes theorems, kinematics and dynamics of rotational motion about fixed axis, rolling motion, rigid body equilibrium, torque and angular momentum.

Centre of Mass – 1
Centre of Mass – 2
Motion of Centre of Mass
Linear Momentum of a System of Particles
Vector Product of Two Vectors
Moment of Inertia
Theorems of Perpendicular and Parallel Axes
Kinematics of Rotational Motion about a Fixed Axis
Dynamics of Rotational Motion about a Fixed Axis
Angular Momentum in case of Rotations about a Fixed Axis
Rolling Motion
Angular Velocity and its Relation with Linear Velocity
Torque and Angular Momentum
Equilibrium of a Rigid Body

7. Questions & Answers on Gravitation

The section contains questions and answers on keplers laws, gravitation universal law, gravitational constant, acceleration due to earth gravity, gravitational potential energy, escape speed, earth satellite, orbiting satellite energy, weightlessness, geostationary and polar satellites.

Kepler’s Laws
Universal Law of Gravitation
The Gravitational Constant
Acceleration due to Gravity of the Earth
Acceleration due to Gravity below and above the Surface of Earth
Gravitational Potential Energy
Escape Speed
Earth Satellite – 1
Earth Satellite – 2
Energy of an Orbiting Satellite
Geostationary and Polar Satellites

8. Questions on Mechanical Properties of Solids


The section contains questions on solids elastic behaviour, stress and strain mechanical properties, hookes law, stress-strain curve, elastic moduli and materials elastic behaviour.

Elastic Behaviour of Solids
Stress and Strain
Hooke’s Law
Stress-Strain Curve
Elastic Moduli
Applications of Elastic Behaviour of Materials

9. Questions & Answers on Mechanical Properties of Fluids

The section contains questions and answers on fluids mechanical properties pressure and streamline flow, bernoullis equation, fluids viscosity and surface tension.

Fluids Mechanical Properties Pressure – 1
Fluids Mechanical Properties Pressure – 2
Streamline Flow
Bernoulli’s Equation
Surface Tension

10. Questions on Thermal Properties of Matter

The section contains questions on temperature measurement, ideal-gas equation, absolute temperature, thermal expansion, matter specific heat capacity, calorimetry, state changes, heat transfer and cooling newtons law.

Temperature and Heat
Measurement of Temperature
Ideal-Gas Equation and Absolute Temperature
Thermal Expansion
Specific Heat Capacity
Change of State
Heat Transfer
Newton’s Law of Cooling

11. Questions & Answers on Thermodynamics

The section contains questions and answers on thermal equilibrium, zeroth law of thermodynamics, heat, internal energy and work, thermodynamics first and second law, thermodynamic processes, heat engines, heat pumps and refrigerators, carnot engine, thermodynamics specific heat capacity, reversible and irreversible processes.

Thermal Equilibrium
Zeroth Law of Thermodynamics
Heat, Internal Energy and Work
First Law of Thermodynamics
Thermodynamic State Variables and Equation of State
Thermodynamic Processes
Heat Engines
Refrigerators and Heat Pumps
Second Law of Thermodynamics
Reversible and Irreversible Processes
Carnot Engine
Thermodynamics Specific Heat Capacity

12. Questions on Kinetic Theory

The section contains questions on matter molecular nature, gases behaviour, ideal gas and specific heat capacity of kinetic theory, energy equipartition law and mean free path.

Molecular Nature of Matter
Behaviour of Gases
Kinetic Theory of an Ideal Gas
Kinetic Theory – Specific Heat Capacity
Law of Equipartition of Energy
Mean Free Path

13. Questions & Answers on Oscillations


The section contains questions and answers on periodic and oscillatory motions, simple harmonic and uniform circular motions, simple harmonic motion energy and execution, damped simple harmonic motion, forced oscillations and resonance.

Periodic and Oscillatory Motions
Simple Harmonic Motion
Simple Harmonic Motion and Uniform Circular Motion
Velocity and Acceleration in Simple Harmonic Motion
Force Law for Simple Harmonic Motion
Energy in Simple Harmonic Motion
Systems Executing Simple Harmonic Motion
Damped Simple Harmonic Motion
Forced Oscillations and Resonance

14. Questions on Waves

The sections covers questions on transverse and longitudinal waves, progressive wave displacement relation, travelling wave speed, waves superposition principles, waves reflection, beats and doppler effects.

Transverse and Longitudinal Waves
Displacement Relation in a Progressive Wave
Speed of a Travelling Wave
Principle of Superposition of Waves
Reflection of Waves
Doppler Effect
If you would like to learn Physics thoroughly, you should attempt to work on the complete set of questions and answers mentioned above. It will immensely help anyone trying to crack an exam or an interview.

Wish you the best in your endeavor to learn and master Physics!

Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He is Linux Kernel Developer & SAN Architect and is passionate about competency developments in these areas. He lives in Bangalore and delivers focused training sessions to IT professionals in Linux Kernel, Linux Debugging, Linux Device Drivers, Linux Networking, Linux Storage, Advanced C Programming, SAN Storage Technologies, SCSI Internals & Storage Protocols such as iSCSI & Fiber Channel. Stay connected with him @ LinkedIn