NCERT Solutions Class 11 Physics - 2024-25 PDF Download

NCERT Solutions Class 11 Physics - 2024-25 PDF Download

Edited By Irshad Anwar | Updated on May 20, 2024 12:27 PM IST

NCERT Solutions Class 11, Physics (Chapter-wise) - Free PDFs

NCERT Solutions for Class 11, Physics for all chapters are right here. Our super knowledgeable experts have explained every tiny concept in the best way possible, making sure you don't have to worry about exams. Physics can seem pretty packed with ideas and math problems. That's why getting a good grip on the ideas is key to cracking those problems easily. These NCERT Solutions for physics class 11 are all set to give you solid information that matches exactly what you need to know according to the latest CBSE syllabus. In Solutions for Physics Class 11, you're going to explore important concepts that are not just useful for your exams, but also for competitive tests. NCERT solutions for class 11 are available for you online, and you can also grab them as a PDF. If you're looking to download NCERT Solutions for Class 11, just hit the "Download PDF" button at the top of that chapter's page below.

Also read: NCERT Class 11 Physics: Chapterwise Important Formulas, Diagrams, And Points

Chapter-wise NCERT Solutions for Class 11 Physics

Class 11 physics NCERT solutions for all chapters are conveniently presented in a simple and understandable PDF format. These step-by-step solutions cover all chapters, aiding students in grasping complex Physics concepts effortlessly. Tailored to facilitate comprehension of intricate topics and enhance performance in exams, these NCERT solutions in class 11 physics empower students to reinforce their subject understanding, refine problem-solving abilities, and achieve excellence in their class 11 physics studies.

In the NCERT Class 11 Physics textbook for the academic year 2023–24, the following chapters have been excluded from the class 11 physics chapters:

Foundations for Science and Engineering are the chapters studied in class 11 and 12. If you have easy tools like the class 11 physics problem solutions, you can make the foundation of physics stronger. Physics class 11 chapters are divided into part 1 and 2. Part 1 contains eight chapters and part 2 has 7 chapters. NCERT solutions for class 11 physics for both parts are important and helpful for the board exams. NCERT Solution are helpful for preparing of competitive exams like NEET, JEE Main, KVPY, etc. NCERT solutions for class 11 physics are building blocks to help solve questions from other reference books too.

physics class 11 is a significant phase in a student's life, as they are introduced to a range of novel ideas and concepts. With the detailed class 11 physics solutions provided by Careers360 for each chapter, students can study each chapter online or download them in PDF format.

Class 11 Physics 2023 Unit-wise weightage

Are you curious about the distribution of topics in your 11th grade Physics curriculum? Understanding the unit-wise weightage can give you a helpful road map for focusing your studies. Take a look below to discover how different units are weighted in the Class 11 Physics syllabus for 2023:

Unit

Name of Unit

Marks

Unit -1

Physical World and Measurement

23

Chapter 1: Physical world

Chapter 2: Units and Measurement

Unit–II

Kinematics

Chapter–3: Motion in a Straight Line

Chapter–4: Motion in a Plane

Unit–III

Laws of Motion

Chapter–5: Laws of Motion

Unit–IV

Work, Energy, and Power

17

Chapter–6: Work, Energy, and Power

Unit–V

The motion of the System of Particles and Rigid Body

Chapter–7: System of Particles and Rotational Motion

Unit-VI

Gravitation

Chapter–8: Gravitation

Unit–VII

Properties of Bulk Matter

20

Chapter–9: Mechanical Properties of Solids

Chapter–10: Mechanical Properties of Fluids

Chapter–11: Thermal Properties of Matter

Unit–VIII

Thermodynamics

Chapter–12: Thermodynamics

Unit–IX

The behaviour of Perfect Gases and the Kinetic Theory of Gases

Chapter–13: Kinetic Theory

Unit–X

Oscillations and Waves

10

Chapter–14: Oscillations

Chapter–15: Waves

NCERT Solutions for Class 11 Physics: Important Formulas and Diagrams + eBook link

This NCERT solution class 11 physics resource will play an important role by providing students with quick access to essential formulas and diagrams from their Class 11 Physics curriculum. It offers a convenient way to review and reinforce their understanding of key concepts. Whether preparing for exams, completing assignments, or simply enhancing their knowledge, having these important formulas and diagrams in one place will streamline their learning process and boost their confidence in tackling physics problems effectively.

NCERT Solutions Class 11 Physics Book All Chapters Brief:

Chapter 1: Physical World

In this initial chapter of NCERT Solution for class 11 physics, students are introduced to the essence of the physical world. The chapter delves into the origins and growth of scientific knowledge, exploring the history and importance of science. Students engage with the principles of gravitational, electromagnetic, and nuclear forces, gaining insight into the foundational forces that shape our surroundings. Noteworthy scientific contributions and observations are highlighted, offering a glimpse into the scientific process. The chapter also connects scientific progress with technological advancements, while providing an accessible understanding of electrons as the fundamental particles of matter. Click on the link to access it freely.

Topics Covered in Class 11 physics chapter 1 question answer physical world:

  • What is physics?
  • Scope and excitement of physics
  • Physics, technology and society
  • Fundamental forces in nature
  • Nature of physical laws

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Chapter 2: Unit and Measurement

Introduction to fundamental and derived units, errors and measurement of errors, significant figures and dimensions, and dimension analysis are the topics dealt with in this chapter. The concepts studied here are used throughout class 11 and 12, mainly the concept of dimensional formulas. One question is expected from the chapter for the annual exam, NEET and JEE main also. NCERT is considered the bible for NEET preparation. So, NCERT Solutions Class 11 physics help in preparation for these exams too.

Topics Covered in Class 11 physics chapter 2 question answer unit and measurement:

In Chapter 2, "Unit and Measurement," Class 11 Physics covers a wide array of topics related to the fundamental concepts of measurement:

  • Understanding the international system of units.
  • Exploring the measurement of length.
  • Discussing the measurement of mass.
  • Exploring the measurement of time.
  • Investigating accuracy, precision of instruments, and errors in measurement.
  • Learning about significant figures in measurements.
  • Exploring dimensions of physical quantities.
  • Understanding dimensional formulae and dimensional equations.
  • Applying dimensional analysis and exploring its practical applications.

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Chapter 3: Motion in a straight line

The concepts of position, distance, speed, velocity, acceleration, equations of uniform motion and relative velocity are explained in the chapter. The concept mentioned here are the basics of mechanics and will be used in the coming chapters. The concepts of vectors are introduced in the chapter. These concepts are required for all the chapters in Physics 11 and 12. So familiarising the chapter with class 11 physics NCERT solutions is helpful.

Topics Covered in NCERT solution class 11 physics chapter 3 motion in a straight line:

  • Position, path length and displacement
  • Average velocity and average speed
  • Instantaneous velocity and speed
  • Acceleration
  • Kinematic equations for uniformly accelerated motion
  • Relative velocity

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Chapter 4: Motion in a Plane

Vectors, resolution of vectors, motion in a plane, projectile motion and uniform circular motion are taught in the chapter on motion in a plane. The concept of vectors will be used to solve the problems of 11th and 12th grade physics. The topics of relative motion and its applications, like boat and river problems and man and rain problems, are important. Such many types of questions can be practiced through the NCERT solutions in 11 physics.

Topics Covered in Class 11 physics chapter 4 question answer motion in a plane:

  • Scalars and vectors
  • Multiplication of vectors by real numbers
  • Addition and subtraction of vectors – graphical method
  • Resolution of vectors
  • Vector addition – analytical method
  • Motion in a plane
  • Motion in a plane with constant acceleration
  • Relative velocity in two dimensions
  • Projectile motion
  • Uniform circular motion

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Chapter 5: Laws of Motion

Inertia, Newton's laws of motion, circular motion and how to solve problems in mechanics are the major topics covered in the chapter. It is pretty important to understand these concepts, as they will be used in further chapters of class 11 and 12. Applications of Newton's laws to various systems are also explained in the chapter. The problems related to applications are explained in the CBSE ncert solutions for class 11 physics.

Topics Covered in Class 11 physics chapter 5 question answer laws of motion:

  • Aristotle’s fallacy
  • The law of inertia
  • 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
  • Common forces in mechanics
  • Circular motion
  • Solving problems in mechanics

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Chapter 6: Work, Energy and Power

In this chapter of NCERT Solution 11 Physics, we study the fundamental concepts of work, energy, and power. Students explore the intricate relationship between these concepts, learning how work done on an object can result in changes in its energy. The chapter examines various forms of energy, including kinetic and potential energy, shedding light on their inter-conversion. Students also gain insights into power, which quantifies the rate at which work is done or energy is transferred. By the end of this chapter, students will have a solid grasp of how these concepts govern the behaviour of objects and systems, enabling them to analyse and solve practical problems involving work, energy, and power.

Topics Covered in Class 11 physics chapter 6 question answer Work, Energy and Power:

  • Notions of work and kinetic energy: The work-energy theorem
  • Work
  • Kinetic energy
  • Work done by a variable force
  • The work-energy theorem for a variable force
  • The concept of potential energy
  • The conservation of mechanical energy
  • The potential energy of a spring
  • Various forms of energy: the law of conservation of energy
  • Power
  • Collisions

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Chapter 7: System of Particles and Rotational Motion

In this chapter, Class 11 Physics delves into the intriguing world of systems of particles and rotational motion. Students explore the behaviour of multiple particles interacting within a system, understanding concepts like the centre of mass and linear momentum. The chapter also introduces the fascinating realm of rotational motion, unveiling how objects spin and rotate around axes. Through discussions on angular velocity, torque, and moment of inertia, students grasp the principles governing rotational dynamics. By studying the equilibrium of rigid bodies and the conservation laws associated with dynamic rotational motion, students develop the analytical tools to comprehend and solve complex problems in this dynamic field of physics. This chapter is important for competitive exams like NEET and JEE Mains. A good number of problems are to be solved from the chapter to familiarise with the concepts

Topics Covered in Class 11 physics chapter 7 question answer system of particles and rotational motion:

  • Centre of mass
  • Motion of centre of mass
  • Linear momentum of a system of particles
  • Vector product of two vectors
  • Angular velocity and its relation with linear velocity
  • Torque and angular momentum
  • Equilibrium of a rigid body
  • 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 rotation about a fixed axis
  • Rolling motion

Also check,

Chapter 8: Gravitation

In this chapter, Class 11 Physics delves into the captivating realm of gravitation. Students uncover the universal force that governs the interactions between masses – gravity. Exploring the historical journey from Kepler's laws to Newton's law of gravitation, students gain insights into the mathematical description of gravitational force. The chapter also covers concepts such as acceleration due to gravity, variations in gravitational field strength, and gravitational potential energy. By delving into orbital motion and satellite dynamics, students comprehend the application of gravitational principles to real-world scenarios. By the end of the chapter, students will have a profound understanding of the force that shapes celestial bodies and holds the key to our understanding of the cosmos.

Topics Covered in Class 11 physics chapter 8 question answer gravitation:

  • Kepler’s laws
  • Universal law of gravitation
  • The gravitational constant
  • Acceleration due to the gravity of the earth
  • Acceleration due to gravity below and above the surface of earth
  • Gravitational potential energy
  • Escape speed
  • Earth satellite
  • Energy of an orbiting satellite
  • Geostationary and polar satellites
  • Weightlessnes

Also Read,

Chapter 9: Mechanical properties of Solids

In this chapter, NCERT Physics 11 delves into the fascinating subject of the mechanical properties of solids. Students explore how materials respond to external forces and gain insights into concepts such as elasticity, plasticity, and toughness. The chapter covers stress and strain, introducing the fundamental principles behind deformation and how materials resist it. By examining the concepts of Young's modulus, shear modulus, and bulk modulus, students uncover the quantitative aspects of material behaviour. The chapter also delves into the behaviour of fluids, studying the laws of fluid pressure and Pascal's principle. Through a comprehensive understanding of mechanical properties, students gain insights into material behaviour under various conditions and applications in engineering and daily life. The main concept of this chapter are stress, strain and Hooks law. Grasping these concepts well helps in competitive exams like NEET and JEE Mains and for board exams as well. This is a small and easily readable chapter. The NCERT solutions for class 11 physics will give a better idea of the concepts studied.

Topics Covered in Class 11 physics chapter 9 question answer mechanical properties of solids:

  • Elastic behaviour of solids
  • Stress and strain
  • Hooke’s law
  • Stress-strain curve
  • Elastic moduli
  • Applications of elastic behaviour of materials

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Chapter 10: Mechanical Properties of Fluids

This chapter deals with the concepts of pressure, streamline flow, Bernoulli's principle, viscosity, and surface tension. These concepts can be studied with the help of real-life examples. The chapters of class 11 physics will be used in higher studies, mainly in the fields of mechanical and civil engineering. Fluid mechanics is a main course in various engineering fields.

Topics Covered in Class 11 physics chapter 10 question answer mechanical properties of Fluids:

  • Pressure
  • Streamline flow
  • Bernoulli’s principle
  • Viscosity
  • Reynolds number
  • Surface tension

Also Check,

Chapter 11: Thermal Properties of Matter

The concept of temperature and heat, specific heat, expansion, heat transfer, change of state, calorimetry and Newton's laws of cooling are discussed in the thermal properties of matter. There are many interesting examples and real-life applications of heat and temperature mentioned in the 11th grade physics chapter exercise solutions.

Topics Covered in Class 11 physics chapter 11 question answer thermal properties of matter:

  • Temperature and heat
  • Measurement of temperature
  • Ideal-gas equation and absolute temperature
  • Thermal expansion
  • Specific heat capacity
  • Calorimetry
  • Change of state
  • Heat transfer
  • Newton’s law of cooling

Also Read,

Chapter 12: Thermodynamics

In this, the class 11 physics chapter exercise solutions delve into the intricate realm of thermodynamics. Students explore the fundamental laws that govern heat and energy transfer, including the concepts of reversible and irreversible processes. The chapter covers essential topics such as heat engines, refrigerators, and the renowned Carnot engine. With direct relevance to the NEET and JEE main syllabuses, the study of thermodynamics becomes pivotal. The provided NCERT solutions aid students in comprehending the complex subject, offering valuable assistance for class 11 finals. By mastering this chapter, students not only grasp the principles of energy conversion but also unlock insights into various practical applications across industries.

Topics Covered in NCERT physics class 11 chapter 12 question answer thermodynamics:

  • Thermal equilibrium
  • Zeroth law of thermodynamics
  • Heat, internal energy and work
  • First law of thermodynamics
  • Specific heat capacity
  • 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

Also Check,

Chapter 13: Kinetic Theory

In this chapter, NCERT physics class 11 explores the captivating world of kinetic theory. Students are introduced to the kinetic theory of gases, unravelling the behaviour of gases at a microscopic level. The chapter explains various properties of gases using this theory, shedding light on concepts such as pressure, temperature, and kinetic energy. Despite its concise length, this chapter bears immense significance for both board exams and competitive tests such as NEET and JEE Main. By mastering the principles of kinetic theory, students gain a profound understanding of the behaviour of gases, contributing to their comprehensive knowledge of the subject.

Topics Covered in Class 11 physics chapter 13: question and Answer: Kinetic Theory

  • Molecular nature of matter
  • Behaviour of gases
  • Kinetic theory of an ideal gas
  • Law of equipartition of energy
  • Specific heat capacity
  • Mean free path

Also Check,

Chapter 14: Oscillations

In this chapter, Class 11 Physics delves into the intriguing world of oscillations. Students explore periodic and oscillatory motions, with a particular focus on simple harmonic motion (SHM), . The chapter also discusses damped and forced oscillations, offering insights into various dynamic behaviours. A key aspect is understanding the distinction between periodic and oscillatory motion, a concept underscored in CBSE Class 11 Physics. Expect increased questioning regarding the topic of SHM, making it essential to grasp. By mastering this chapter, students gain a deep understanding of oscillatory behaviour, strengthening their foundation in physics and preparing them for comprehensive assessments.

Topics Covered in class 11 physics chapter exercise solutions oscillations:

  • Periodic and oscilatory 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
  • Some systems execute Simple Harmonic Motion
  • Damped simple harmonic motion
  • Forced oscillations and resonance

Also read,

Chapter 15: Waves

Concluding CBSE Class 11 Physics Part 2, this chapter delves into the captivating realm of waves. Exploring transverse and longitudinal waves, as well as concepts like beats and the Doppler effect, the chapter unveils the intricate nature of wave phenomena. Oscillations and waves hold great significance in medical and engineering entrance exams like NEET and JEE Main, making mastery of this chapter crucial. With the assistance of NCERT solutions, students can better comprehend the intricacies of the topic, enhancing their overall understanding. By mastering this final chapter, students equip themselves with a solid foundation in waves, poised to excel in both academia and future examinations.

Topics Covered in Class 11 physics chapter 15 question answer waves:

  • Transverse and longitudinal waves
  • Displacement relation in a progressive wave
  • The speed of a travelling wave
  • The principle of superposition of waves
  • Reflection of waves
  • Beats
  • Doppler effect

Also Read,

Key features of NCERT solutions for class 11 physics

  • As a Class 11 Physics student, you may be looking for reliable and comprehensive NCERT solutions to help you ace your exams and deepen your understanding of the subject.

  • NCERT solutions for class 11 physics are essential resources for students who want to score well in their exams and gain a strong foundation in the fundamentals of Physics.

  • Whether you're struggling with challenging Physics concepts or simply want to enhance your knowledge and skills, NCERT Solutions for Class 11 Physics can be invaluable study tools.

  • If you're a Class 11 Physics student, you may have heard about NCERT Solutions and their usefulness in simplifying complex concepts and boosting exam performance.

  • If you want to excel in your Class 11 Physics exams and develop a strong grasp of the subject matter, NCERT Solutions are an excellent starting point for your studies.

Also Read: NCERT solutions for class 11 subject-wise

Some Tips to Effectively Prepare for Physics Class 11:

Master Fundamentals: Build a strong foundation by understanding core concepts thoroughly.

Regular Study: Create a consistent study routine to cover topics progressively.

Practice Problems: Solve numerical problems to reinforce understanding and problem-solving skills.

Use Resources: Utilise textbooks, NCERT solutions, and online resources for comprehensive learning.

Revise and Review: Regularly revise previous topics and review notes to solidify knowledge.

Mock Tests: Take mock tests to assess progress and get familiar with the exam pattern.

Key Features of NCERT Solutions for Class 11 Physics

The physics class 11 Solutions provided by Careers360 offer the following features:

  • Elaborate explanations for all the textbook questions.

  • A systematic process for answering numerical problems.

  • There are clear-cut answers to all the questions based on theory.

  • Authentic information from highly experienced subject matter experts.

  • Solutions are present in both online and offline (PDF) modes.

NCERT Books and NCERT Syllabus

Frequently Asked Questions (FAQs)

1. Whether NCERT solutions for physics is helpful for competitive exams?

Yes, by solving questions in NCERT, the concepts studied in the physics chapter can be understood well. This will help in yearly exam and competitive exam as well

2. How many books are there for NCERT class 11 Physics?

The class 11 NCERT books are divided into two parts. The first book has first 8 chapters, that is the physical world to gravitation and second NCERT book has 7 chapters (9 to 15), that is mechanical properties of solids to waves.

3. Which chapters of class 11 NCERT Physics are important for exams

From the chapter physical world probability of asking the question is very less. Rest all the chapters are important.

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Get answers from students and experts

A block of mass 0.50 kg is moving with a speed of 2.00 ms-1 on a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body. The energy loss during the collision is

Option 1)

0.34\; J

Option 2)

0.16\; J

Option 3)

1.00\; J

Option 4)

0.67\; J

A person trying to lose weight by burning fat lifts a mass of 10 kg upto a height of 1 m 1000 times.  Assume that the potential energy lost each time he lowers the mass is dissipated.  How much fat will he use up considering the work done only when the weight is lifted up ?  Fat supplies 3.8×107 J of energy per kg which is converted to mechanical energy with a 20% efficiency rate.  Take g = 9.8 ms−2 :

Option 1)

2.45×10−3 kg

Option 2)

 6.45×10−3 kg

Option 3)

 9.89×10−3 kg

Option 4)

12.89×10−3 kg

 

An athlete in the olympic games covers a distance of 100 m in 10 s. His kinetic energy can be estimated to be in the range

Option 1)

2,000 \; J - 5,000\; J

Option 2)

200 \, \, J - 500 \, \, J

Option 3)

2\times 10^{5}J-3\times 10^{5}J

Option 4)

20,000 \, \, J - 50,000 \, \, J

A particle is projected at 600   to the horizontal with a kinetic energy K. The kinetic energy at the highest point

Option 1)

K/2\,

Option 2)

\; K\;

Option 3)

zero\;

Option 4)

K/4

In the reaction,

2Al_{(s)}+6HCL_{(aq)}\rightarrow 2Al^{3+}\, _{(aq)}+6Cl^{-}\, _{(aq)}+3H_{2(g)}

Option 1)

11.2\, L\, H_{2(g)}  at STP  is produced for every mole HCL_{(aq)}  consumed

Option 2)

6L\, HCl_{(aq)}  is consumed for ever 3L\, H_{2(g)}      produced

Option 3)

33.6 L\, H_{2(g)} is produced regardless of temperature and pressure for every mole Al that reacts

Option 4)

67.2\, L\, H_{2(g)} at STP is produced for every mole Al that reacts .

How many moles of magnesium phosphate, Mg_{3}(PO_{4})_{2} will contain 0.25 mole of oxygen atoms?

Option 1)

0.02

Option 2)

3.125 × 10-2

Option 3)

1.25 × 10-2

Option 4)

2.5 × 10-2

If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will

Option 1)

decrease twice

Option 2)

increase two fold

Option 3)

remain unchanged

Option 4)

be a function of the molecular mass of the substance.

With increase of temperature, which of these changes?

Option 1)

Molality

Option 2)

Weight fraction of solute

Option 3)

Fraction of solute present in water

Option 4)

Mole fraction.

Number of atoms in 558.5 gram Fe (at. wt.of Fe = 55.85 g mol-1) is

Option 1)

twice that in 60 g carbon

Option 2)

6.023 × 1022

Option 3)

half that in 8 g He

Option 4)

558.5 × 6.023 × 1023

A pulley of radius 2 m is rotated about its axis by a force F = (20t - 5t2) newton (where t is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is 10 kg m2 , the number of rotations made by the pulley before its direction of motion if reversed, is

Option 1)

less than 3

Option 2)

more than 3 but less than 6

Option 3)

more than 6 but less than 9

Option 4)

more than 9

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