# NCERT Solutions for Class 11 Physics

## CBSE Class 11 Physics Solutions Guide

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## CBSE Class 11 Physics Textbook Solutions

Questions and answers for the Class 11 Physics Textbook on this page. NCERT Solutions for Class 11 Physics Digest CBSE will help students understand the concepts better.

## NCERT Solutions for Class 11 Physics Chapterwise List | Class 11 Physics Digest

The answers to the NCERT books are the best study material for students. Listed below are the chapter-wise NCERT Physics Class 11 Solutions CBSE.

## Chapters covered in NCERT Solutions for Class 11 Physics

### NCERT Solutions for Class 11 Physics (11th) Chapter 1: Physical World

Concepts covered in Physical World are Branches of Physics, Fundamental Forces in Nature, Nature of Physical Laws, Physics Related to Technology and Society, Scope and Excitement of Physics, The Scientific Method, What is Physics?, What is Science?

#### NCERT Class 11 Physics (11th) Chapter 1: Physical World exercises

ExerciseNo. of questionsPages
Exercises1413 to 41

### NCERT Solutions for Class 11 Physics (11th) Chapter 2: Units and Measurements

Concepts covered in Units and Measurements are Accuracy, Precision and Least Count of Measuring Instruments, Dimensional Analysis and Its Applications, Dimensional Formulae and Dimensional Equations, Dimensions of Physical Quantities, Errors in Measurements, Fundamental and Derived Units, International System of Units, Introduction of Units and Measurements, Length, Mass and Time Measurements, Measurement of Length, Measurement of Mass, Measurement of Time, Need for Measurement, Significant Figures, Units of Measurement

#### NCERT Class 11 Physics (11th) Chapter 2: Units and Measurements exercises

ExerciseNo. of questionsPages
Exercises4835 to 38

### NCERT Solutions for Class 11 Physics (11th) Chapter 3: Motion in a Straight Line

Concepts covered in Motion in a Straight Line are Acceleration (Average and Instantaneous), Average Velocity and Average Speed, Elementary Concept of Differentiation and Integration for Describing Motion, Instantaneous Velocity and Speed, Introduction of Motion in One Dimension, Kinematic Equations for Uniformly Accelerated Motion, Position, Path Length and Displacement, Position - Time Graph, Position-time, Velocity-time and Acceleration-time Graphs, Relations for Uniformly Accelerated Motion (Graphical Treatment), Relative Velocity, Uniform and Non-uniform Motion, Uniformly Accelerated Motion

#### NCERT Class 11 Physics (11th) Chapter 3: Motion in a Straight Line exercises

ExerciseNo. of questionsPages
Exercises3555 to 60

### NCERT Solutions for Class 11 Physics (11th) Chapter 4: Motion in a Plane

Concepts covered in Motion in a Plane are Addition and Subtraction of Vectors - Graphical Method, Angular Velocity, Cases of Uniform Acceleration Projectile Motion, Cases of Uniform Velocity, General Vectors and Their Notations, Introduction of Motion in One Dimension, Motion in a Plane, Motion in a Plane - Average Acceleration and Instantaneous Acceleration, Motion in a Plane - Average Velocity and Instantaneous Velocity, Motion in a Plane with Constant Acceleration, Multiplication of Vectors by a Real Number or Scalar, Projectile Motion, Rectangular Components, Relative Velocity in Two Dimensions, Resolution of Vectors, Scalar (Dot) and Vector (Cross) Product of Vectors, Scalars and Vectors, Uniform Circular Motion (UCM), Vector Addition – Analytical Method

#### NCERT Class 11 Physics (11th) Chapter 4: Motion in a Plane exercises

ExerciseNo. of questionsPages
Exercises5085 to 88

### NCERT Solutions for Class 11 Physics (11th) Chapter 5: Laws of Motion

Concepts covered in Laws of Motion are Aristotle’s Fallacy, Circular Motion and Its Characteristics, Common Forces in Mechanics, Conservation of Momentum, Dynamics of Uniform Circular Motion - Centripetal Force, Equilibrium of a Particle, Examples of Circular Motion (Vehicle on a Level Circular Road, Vehicle on a Banked Road), Inertia, Introduction of Motion in One Dimension, Intuitive Concept of Force, Law of Conservation of Linear Momentum and Its Applications, Laws of Friction, Lubrication - (Laws of Motion), Newton's First Law of Motion, Newton’s Second Law of Motion, Newton's Third Law of Motion, Rolling Friction, Solving Problems in Mechanics, Static and Kinetic Friction, The Law of Inertia

#### NCERT Class 11 Physics (11th) Chapter 5: Laws of Motion exercises

ExerciseNo. of questionsPages
Exercises50109 to 113

### NCERT Solutions for Class 11 Physics (11th) Chapter 6: Work, Energy and Power

Concepts covered in Work, Energy and Power are Collisions, Concept of Work, Conservation of Mechanical Energy, Introduction of Work, Energy and Power, Kinetic Energy, Non - Conservative Forces - Motion in a Vertical Circle, Notions of Work and Kinetic Energy: the Work-energy Theorem, Potential Energy of a Spring, Power, The Concept of Potential Energy, Various Forms of Energy : the Law of Conservation of Energy, Work Done by a Constant Force and a Variable Force

#### NCERT Class 11 Physics (11th) Chapter 6: Work, Energy and Power exercises

ExerciseNo. of questionsPages
Exercises41134 to 138

### NCERT Solutions for Class 11 Physics (11th) Chapter 7: System of Particles and Rotational Motion

Concepts covered in System of Particles and Rotational Motion are Angular Momentum in Case of Rotation About a Fixed Axis, Angular Velocity and Its Relation with Linear Velocity, Centre of Mass, Centre of Mass of a Rigid Body, Centre of Mass of a Uniform Rod, Comparison of Linear and Rotational Motions, Dynamics of Rotational Motion About a Fixed Axis, Equations of Rotational Motion, Equilibrium of Rigid Body, Kinematics of Rotational Motion About a Fixed Axis, Linear Momentum of a System of Particles, Moment of Inertia, Momentum Conservation and Centre of Mass Motion, Motion of Centre of Mass, Motion - Rigid Body, Rigid Body Rotation, Rolling Motion, Theorems of Perpendicular and Parallel Axes, Torque and Angular Momentum, Values of Moments of Inertia for Simple Geometrical Objects (No Derivation), Vector Product of Two Vectors

#### NCERT Class 11 Physics (11th) Chapter 7: System of Particles and Rotational Motion exercises

ExerciseNo. of questionsPages
Exercises39178 to 181

### NCERT Solutions for Class 11 Physics (11th) Chapter 8: Gravitation

Concepts covered in Gravitation are Acceleration Due to Gravity and Its Variation with Altitude and Depth, Acceleration Due to Gravity Below and Above the Earth's Surface, Acceleration Due to Gravity of the Earth, Earth Satellites, Energy of an Orbiting Satellite, Escape Speed, Escape Velocity, Geostationary and Polar Satellites, Gravitational Potential Energy, Kepler’s Laws, Newton’s Universal Law of Gravitation, Orbital Velocity of a Satellite, The Gravitational Constant, Weightlessness

#### NCERT Class 11 Physics (11th) Chapter 8: Gravitation exercises

ExerciseNo. of questionsPages
Exercises31201 to 202

### NCERT Solutions for Class 11 Physics (11th) Chapter 9: Mechanical Properties of Solids

Concepts covered in Mechanical Properties of Solids are Application of Elastic Behaviour of Materials, Bulk Modulus, Determination of Young’s Modulus of the Material of a Wire, Elastic Behaviour of Solid, Elastic Energy, Hooke’s Law, Shear Modulus or Modulus of Rigidity, Stress and Strain, Stress-strain Curve, Young’s Modulus

#### NCERT Class 11 Physics (11th) Chapter 9: Mechanical Properties of Solids exercises

ExerciseNo. of questionsPages
Exercises22242 to 245

### NCERT Solutions for Class 11 Physics (11th) Chapter 10: Mechanical Properties of Fluids

Concepts covered in Mechanical Properties of Fluids are Applications of Bernoulli’s Equation, Archimedes' Principle, Atmospheric Pressure and Gauge Pressure, Critical Velocity, Effect of Gravity on Fluid Pressure, Equation of Continuity, Excess of Pressure Across a Curved Surface, Hydraulic Machines, Introduction of Mechanical Properties of Fluids, Pascal’s Law, Reynold's Number, Stoke's Law, Streamline and Turbulent Flow, Surface Tension, Terminal Velocity, Thrust and Pressure, Torricelli's Law, Variation of Pressure with Depth, Viscous Force or Viscosity

#### NCERT Class 11 Physics (11th) Chapter 10: Mechanical Properties of Fluids exercises

ExerciseNo. of questionsPages
Exercises46268 to 271

### NCERT Solutions for Class 11 Physics (11th) Chapter 11: Thermal Properties of Matter

Concepts covered in Thermal Properties of Matter are Anomalous Expansion of Water, Calorimetry, Change of State - Latent Heat Capacity, Conduction, Convection, Green House Effect, Heat and Temperature, Ideal-gas Equation and Absolute Temperature, Liquids and Gases, Measurement of Temperature, Newton’s Law of Cooling, Qualitative Ideas of Black Body Radiation, Radiation, Specific Heat Capacity, Stefan's Law, Thermal Expansion, Thermal Expansion of Solids, Wien's Displacement Law

#### NCERT Class 11 Physics (11th) Chapter 11: Thermal Properties of Matter exercises

ExerciseNo. of questionsPages
Exercises35294 to 297

### NCERT Solutions for Class 11 Physics (11th) Chapter 12: Thermodynamics

Concepts covered in Thermodynamics are Adiabatic Processes, Carnot Engine, First Law of Thermodynamics, Heat Engine, Heat, Internal Energy and Work, Isothermal Processes, Refrigerators and Heat Pumps, Reversible and Irreversible Processes, Second Law of Thermodynamics, Specific Heat Capacity, Thermal Equilibrium, Thermodynamic Process, Thermodynamic State Variables and Equation of State, Zeroth Law of Thermodynamics

#### NCERT Class 11 Physics (11th) Chapter 12: Thermodynamics exercises

ExerciseNo. of questionsPages
Exercises16316 to 317

### NCERT Solutions for Class 11 Physics (11th) Chapter 13: Kinetic Theory

Concepts covered in Kinetic Theory are Assumptions of Kinetic Theory of Gases, Avogadro's Number, Degrees of Freedom, Equation of State of a Perfect Gas, Gases and Its Characteristics, Interpretation of Temperature in Kinetic Theory, Introduction of Kinetic Theory of an Ideal Gas, Kinetic Theory of Gases - Concept of Pressure, Law of Equipartition of Energy, Mean Free Path, Molecular Nature of Matter, RMS Speed of Gas Molecules, Specific Heat Capacities - Gases, Work Done in Compressing a Gas

#### NCERT Class 11 Physics (11th) Chapter 13: Kinetic Theory exercises

ExerciseNo. of questionsPages
Exercises17333 to 335

### NCERT Solutions for Class 11 Physics (11th) Chapter 14: Oscillations

Concepts covered in Oscillations are Damped Simple Harmonic Motion, Displacement as a Function of Time, Energy in Simple Harmonic Motion, Forced Oscillations and Resonance, Force Law for Simple Harmonic Motion, Oscillations - Frequency, Periodic and Oscillatory Motion, Periodic Functions, Simple Harmonic Motion and Uniform Circular Motion, Simple Harmonic Motion (S.H.M.), Some Systems Executing Simple Harmonic Motion, Velocity and Acceleration in Simple Harmonic Motion

#### NCERT Class 11 Physics (11th) Chapter 14: Oscillations exercises

ExerciseNo. of questionsPages
Exercises45357 to 361

### NCERT Solutions for Class 11 Physics (11th) Chapter 15: Waves

Concepts covered in Waves are Beats, Displacement Relation for a Progressive Wave, Doppler Effect, Introduction of Reflection of Waves, Principle of Superposition of Waves, Reflection of Transverse and Longitudinal Waves, Speed of Wave Motion, Standing Waves and Normal Modes, The Speed of a Travelling Wave, Wave Motion

#### NCERT Class 11 Physics (11th) Chapter 15: Waves exercises

ExerciseNo. of questionsPages
Exercises42387 to 390

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## NCERT Solutions for Class 11 Physics

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## NCERT Solutions for Class 11 Physics CBSE

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