NCERT Solutions for Class 11 Physics

Table of Contents

Unlock the magic of NCERT Solutions for Class 11 Physics! Crafted by experienced teachers, these solutions dive into every idea, getting you ready for exams. Physics might seem tough, but with our Class 11 Physics NCERT Solutions, complex ideas become easy. Our content matches the latest CBSE syllabus, giving you real insights.

From crucial exams to getting ahead, Class 11 Physics is super important. Our NCERT 11 Physics solutions are online or PDFs you can download, letting you learn your way. Topics cover a lot, so you pick what to study. Whether it’s motion, thermodynamics, or laws of motion, our NCERT 11 Physics solution has your back.

Physics, all about matter, is key for science. Class 11 shapes your future. Our NCERT Physics Class 11 solutions make it simple, reducing stress and boosting understanding. Revise easily with PDF solutions. Be great at concepts for higher classes and tough exams.

Our curated NCERT Physics Class 11 solutions, made by experts, guide you to understand. Access chapters now, download the whole thing, or just a chapter. Our teachers help with problem-solving, showing steps. Key questions and tips help you learn smoothly.

Know Physics, from basics to formulas. Our NCERT Physics Class 11 PDF solutions help you stride into your final school year and beyond with confidence. Boost your skills, tackle the trickiest stuff, and learn more with Infinity Learn’s NCERT Solutions for Class 11 Physics today!

Chapter 1: Physical World
Chapter 2: Units and Measurements
Chapter 3: Motion in a Straight Line
Chapter 4: Motion in a Plane
Chapter 5: Laws of Motion
Chapter 6: Work, Energy, and Power
Chapter 7: System of Particles and Rotational Motion
Chapter 8: Gravitation
Chapter 9: Mechanical Properties of Solids
Chapter 10: Mechanical Properties of Fluids
Chapter 11: Thermal Properties of Matter
Chapter 12: Thermodynamics
Chapter 13: Kinetic Theory
Chapter 14: Oscillations
Chapter 15: Waves

NCERT Solutions Class 11 Physics Chapter Details and Exercises

NCERT Solutions for Class 11 Physics Chapter 1: Physical World

We’ll look at how things work and why they work the way they do in this Chapter. You’ll learn more about the world around y and the beginnings and history of science. You’ll also find various aphorisms and their reasons in this Chapter, all of which use Physics concepts in real-life situations. The strong and weak nuclear and gravitational, and electromagnetic forces are described. Listed below are some of the numerous scientists’ theories, observations, and conclusions. You will have a more profound knowledge of the factors influencing our country’s scientific and technological progress. In order to equip students with basic conceptual knowledge, this Chapter expands on the existence of electrons.

The following topics were covered:

Physics-scope and excitement; nature of physical laws; Physics, technology, and society.

Also, access the following resources for Class 11 Physics Chapter 1 The Solid State at Infinity Learn

NCERT Solutions for Class 11 Physics Chapter 2 Units and Measurements

Scientists use their senses, such as their ears and eyes, to collect data and make observations. Some are straightforward, such as determining color and texture, whereas others are more difficult and require measurement. It is a basic scientific concept without which scientists would be unable to conduct research. Students will be taught the units of physical quantities as well as how to evaluate them. It will also give you a good idea of the types of errors that can occur when measuring things and large amounts.

The following topics were covered:

Units of measurement; systems of units, SI units, and fundamental and derived units are all required for measurement. Measurements of length, mass, and time; measuring device accuracy and precision; measurement errors; important figures

Dimensions of physical quantities, dimensional analysis, and its applications.

Also, access the following resources for Class 11 Physics Chapter 2 Units and Measurements at Infinity Learn

NCERT Solutions for Class 11 Physics Chapter 3 Motion in a Straight Line

This Chapter will go over crucial topics like comparing items as point objects and how to draw graphs and calculate values from them. You may easily Learn how to plot an x-t motion graph using the NCERT Solutions from Infinity Learn. By consulting these answers, you can quickly determine how long it takes a bike to travel, how fast a car goes, and how long it takes a bus to travel. Students will Learn the distinction between the magnitude of displacement and the total length of the path traveled. According to CBSE requirements, they will also study average speed, average velocity, instantaneous speed, and velocity.

The following topics were covered:

Motion along a straight line, frame of reference: Speed and velocity, as well as a position-time graph.

Differentiation and integration are covered for characterizing uniform and non-uniform motion, average speed, instantaneous velocity, evenly accelerated motion, velocity-time, and position-time graphs. For uniformly accelerated motion, the following equations apply (graphical treatment).

Also, access the following resources for Class 11 Physics Chapter 3 Motion in a Straight Line at Infinity Learn

NCERT Solutions for Class 11 Physics Chapter 4 Motion in a Plane

This Chapter will go over crucial topics like comparing items as point objects and how to draw graphs and calculate values from them. You may easily Learn how to plot an x-t motion graph using NCERT Solutions from Infinity LearnBy consulting these answers; you can quickly determine how long it takes a bike to travel, how fast a car goes, and how long it takes a bus to travel. Students will Learn the distinction between the magnitude of displacement and the total length of the path traveled according to CBSE requirements; they will also study average speed, average velocity, instantaneous speed, and velocity.

The following topics were covered:

Position and displacement vectors; general vectors and associated notations; equality of vectors; multiplication of vectors by an actual number; Resolution of a vector in a plane, rectangular components, Scalar and Vector product of vectors; addition and subtraction of vectors, relative velocity, Unit vector;

Cases of uniform velocity and uniform acceleration in-plane motion homogeneous circular motion, projectile motion

Also, access the following resources for Class 11 Physics Chapter 4 Motion in a Plane at Infinity Learn

NCERT Solutions for Class 11 Physics Chapter 5 Laws of Motion

This Chapter is critical in mechanics. Usually, problems based on conservation of momentum are asked on the exam. After reading this Chapter, students will understand the laws of motion and how they apply to our daily lives. To assist students in preparing for exams, this Chapter solves various numerical problems based on mechanics. Students with a good comprehension of these concepts will be able to excel in their higher education levels.

The following topics were covered:

Newton’s first law of motion; momentum and Newton’s second law of motion; impulse; Newton’s third law of motion.

The law of linear momentum conservation and its applications.

Concurrent forces equilibrium, static and kinetic friction, friction laws, rolling friction, and lubrication

Uniform circular motion dynamics: centripetal force, circular motion examples (vehicle on a level circular road, vehicle on a banked road).

Also, access the following resources for Class 11 Physics Chapter 5 Laws of Motion at Infinity Learn

NCERT Exemplar Solutions for Class 11 Physics Chapter 5 – Law of Motion

NCERT Solutions for Class 11 Physics Chapter 6 Work, Energy, and Power

The Work-Energy Theorem is an important concept in this Chapter. Because this Chapter will be studied again in future sessions, it is critical that students memorize it completely. To ensure that students comprehend the ideas, the labour that a person performs, and the energy required to execute that work is quickly explained with appropriate examples. The CBSE board’s mark weightage is used to answer problems involving determining energy and power in a step-by-step manner. They will have no trouble learning the Chapter if they apply these ideas regularly.

The following subjects were discussed:

Kinetic energy, work-energy theorem, and power are terms used to describe the work done by a constant force and a variable force.

Non-conservative forces: motion in a vertical circle; elastic and inelastic collisions in one and two dimensions; conservative forces: conservation of mechanical energy (kinetic and potential energies).

Also, access the following resources for Class 11 Physics Chapter 6 Work, Energy, and Power at Infinity Learn

NCERT Solutions for Class 11 Physics Chapter 7 System of Particles and Rotational Motion

This Chapter will help you understand how extended bodies, such as a particle system, move. The central mass of a system of particles is the main topic of this Chapter. The concept of motion and its utility are briefly defined in the CBSE board’s syllabus. Students are strongly urged to use excellent study materials when answering the textbook’s practice questions because this Chapter covers many topics.

The following subjects were discussed:

Momentum conservation, centre of mass motion, and the centre of mass of a two-particle system A rigid body’s centre of mass; a uniform rod’s centre of mass. Force moment, torque, angular momentum, the law of conservation of angular momentum, and its applications

Rigid body equilibrium, rigid body rotation, rotational motion equations, and comparison of linear and rotational motions

Inertia moment, gyration radius, and moment of inertia values for simple geometrical objects (no derivation). Theorems of parallel and perpendicular axes and their applications are stated.

Also, access the following resources for Class 11 Physics Chapter 7 System of Particles and Rotational Motion at Infinity Learn

NCERT Exemplar Solutions for Class 11 Physics Chapter 7 – Systems of Particles and Rotational Motion

NCERT Solutions for Class 11 Physics Chapter 8 Gravitation

All material objects are attracted to the earth, as we already know. Things we throw up end up on the ground. It is more difficult to climb a hill than it is to descend one. Gravitation is a fairly common idea and anunderpins most of the concepts we’ll be studying in the future. In order to understand the more advanced issues in this Chapter, students must first understand the difference between gravity and gravitation. Other concepts explored in this Chapter include the potential energy differential between two points, acceleration due to gravity, and interplanetary motion.

The following subjects were discussed:

The universal law of gravitation, Kepler’s rules of planetary motion. Gravitational acceleration and how it varies with altitude and depth.

Geo-stationary satellites, gravitational potential energy, gravitational potential escape velocity, orbital velocity of a spacecraft

Also, access the following resources for Class 11 Physics Chapter 8 Gravitation at Infinity Learn

NCERT Solutions for Class 11 Physics Chapter 9 Mechanical Properties of Solids

All material objects are attracted to the earth, as we already know. Things we throw up end up on the ground. It is more difficult to climb a hill than it is to descend one. Gravitation is a fairly common idea and underpins most of the concepts we’ll be studying in the future. To understand the more advanced issues in this Chapter, students must first understand the difference between gravity and gravitation. Other concepts explored in this Chapter include the potential energy differential between two points, acceleration due to gravity, and interplanetary motion.

The following subjects were discussed:

The universal law of gravitation, Kepler’s rules of planetary motion. Gravitational acceleration and how it varies with altitude and depth.

Geostationary satellites, gravitational potential energy, gravitational potential escape velocity, orbital velocity of a spacecraft

Also, access the following resources for Class 11 Physics Chapter 9 Mechanical Properties of Solids at Infinity Learn

NCERT Solutions for Class 11 Physics Chapter 10 Mechanical Properties of Fluids

In this part, we’ll look at the physical properties of liquids and gases. Fluids are defined as substances that can flow. This is an important distinction between solids and liquids, and gases. Other important concepts covered are Bernoulli’s principle, Reynold’s number, streamline flow, viscosity, and surface tension. The ability to flow is the most basic characteristic of a fluid. It cannot change its shape. Students will have a good understanding of fluid mechanical properties, which will aid their performance on the final exam.

The following subjects were discussed:

Pascal’s l, its applications (hydraulic lift and hydraulic brakes), and the influence of gravity on fluid pressure are all discussed.

Viscosity, Stokes’ law, terminal velocity, streamline and turbulent flow, critical velocity, Bernoulli’s theorem, and applications, Surface energy, and surface tension, angle of contact, excess pressure across a curved surface, application of surface tension ideas to drops, bubbles, and capillary rise.

Also, access the following resources for Class 11 Physics Chapter 10 Mechanical Properties of Fluids at Infinity Learn

NCERT Solutions for Class 11 Physics Chapter 11 Thermal Properties of Matter

We’re all familiar with the concepts of heat and temperature. The procedure for determining the temperature is covered in this Chapter. Students will also obtain a solid comprehension of Newton’s Law of Cooling, which is an important concept for many competitive assessments. Temperature is the hotness of a body that can be measured with a thermometer. This Chapter walks students through the various thermal properties of matter in a step-by-step format to help them grasp the concepts.

The following subjects were discussed:

Heat, temperature, and thermal expansion of solids, liquids, and gases, as well as anomalous expansion of water; specific heat capacity. Change of state – latent heat capacity; Cp, Cv – calorimetry

Heat transfer-conduction, convection radiation, thermal conductivity, qualitative conceptions of Blackbody radiation, Wein’s displacement law, Stefan’s law, and the Greenhouse effect are alf heat transfer-conduction.

Also, access the following resources for Class 11 Physics Chapter 11 Thermal Properties of Matter at Infinity Learn

NCERT Solutions for Class 11 Physics Chapter 12 Thermodynamics

The study of heat and temperature, as well as their conversion to various forms of energy, is known as thermodynamics. Most exam questions are located in this Chapter, one of the most popular themes among question paper writers. In order to get great grades, students must understand all of these principles. This Chapter discusses, among other things, thermodynamic rules, specific heat capacity, various thermodynamic processes, and the Carnot engine.

The following subjects were discussed:

The zeroth law of thermodynamics, thermal equilibrium, heat, work, and internal energy are discussed—isothermal and adiabatic processes, as well as the first law of thermodynamics.

Reversible and irreversible processes, heat engines, and refrigerators are all examples of the second law of thermodynamics.

Also, access the following resources for Class 11 Physics Chapter 12 Thermodynamics at Infinity Learn

NCERT Solutions for Class 11 Physics Chapter 13 Kinetic Theory

This Chapter is more important when it comes to exam preparation. Unlike solids and liquids, the properties of gases are easy to comprehend. The molecular nature of matter, the behaviour of gases, the kinetic theory of an ideal gas, the law of energy equipartition, specific heat capacity, and the mean free path are all covered in this Chapter. The concerns are also addressed systematically and CBSE-compliantly, making it easy for Class 11 students to earn decent scores.

The following subjects were discussed:

Work done in compressing a gas, equation of state of a perfect gas.

Assumptions and the concept of pressure in the kinetic theory of gases. Degrees of freedom, the law of equipartition of energy (statement only) and application to specific heat capacities of gases; the concept of mean free path, Avogadro’s number; kinetic interpretation of temperature; RMS speed of gas molecules; degrees of freedom, the law of equipartition of energy (statement only) and application to specific heat capacities of gases; the concept of mean free path, Avogadro’s number

Also, access the following resources for Class 11 Physics Chapter 13 Kinetic Theory at Infinity Learn

NCERT Solutions for Class 11 Physics Chapter 14 Oscillations

Oscillations are a basic physics concept. Because the principles provided in this Chapter will be revisited in the following lectures, it is vital that students comprehend them. This Chapter covers periodic and oscillatory motions, basic harmonic motion, uniform circular motion, and other concepts. It is critical for students to use adequate study materials in order to master these topics. If students study the Chapter daily, they will be better prepared to face the more challenging questions on the exam.

The following subjects were discussed:

Period, frequency, displacement as a function of time, and periodic functions are all examples of periodic motion.

Phase; oscillations of a loaded spring-restoring force and force constant; energy in S.H.M. Simple pendulum derivation of expression for its period; kinetic and potential energies Resonance, free, forced, and damped oscillations (qualitative notions only).

Also, access the following resources for Class 11 Physics Chapter 14 Oscillations at Infinity Learn

NCERT Solutions for Class 11 Physics Chapter 15 Waves

This Chapter includes in-depth questions on key subjects, including wave dynamics and other relevant topics. This Chapter’s questions will walk you through concepts like wave types, sound speed in the air, string tension, and sound speed in air dependence. Important formulas and concepts are highlighted in the solutions to make it easier for students to revise them. Numerous wave characteristics are discussed in this Chapter, including amplitude, frequency, phase, wavelength, wave displacement, and resonance.

The following subjects were discussed:

Transverse and longitudinal waves, traveling wave speed, displacement relation for a progressive wave, principle of superposition of waves, reflection of waves, standing waves in strings and organ pipes, fundamental mode and harmonics, Beats, Doppler effect

Also, access the following resources for Class 11 Physics Chapter 15 Waves at Infinity Learn

NCERT Exemplar Solutions for Class 11 Physics Chapter 15 – Waves

Because Infinity Learn is a learning organization, we understand the significance of study materials and how they influence academic performance. As a result, we developed Class 11 NCERT Solutions, a learning resource aimed at helping students study and achieve their objectives. Because each Chapter covers a huge number of topics, students must study them frequently to ensure that they understand them. It will help students understand how to approach difficult questions on the final test in the right way. NCERT Class 11 Books might help students better understand the syllabus.

CBSE Marking Scheme 2023-24

The CBSE board has thoughtfully organized the academic sessions into well-defined segments, strategically covering the entire syllabus. This meticulous approach is designed to empower students with effective learning experiences. The subject matter experts have ingeniously connected various topics and concepts, establishing a strong foundation for the learners. This interconnectedness not only aids in comprehension but also highlights the beautiful harmony within the subject.

The culmination of these sessions is the eagerly awaited board examinations, masterminded by the CBSE board itself. These examinations, held at the culmination of the academic year, serve as the ultimate assessment of the student’s grasp of the subjects. These exams are structured in accordance with the thoughtfully divided syllabus, ensuring that students are evaluated on the complete spectrum of what they have learned. This approach adds an extra layer of clarity and coherence to the entire academic process.

The significance of this approach lies in its ability to enhance the overall quality of education. By conducting these comprehensive assessments, students are encouraged to engage more profoundly with the subjects throughout the year. The anticipation of the year-end examinations acts as a guiding light, propelling students toward consistent learning and preparation.

Unit No.	Name of the Unit	Marks
Unit-I	Physical World and Measurement	23
	Chapter 2: Units and Measurements
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 behavior of Perfect Gases and Kinetic Theory of Gases
	Chapter 13: Kinetic Theory
Unit-X	Oscillations and Waves	10
	Chapter 14: Oscillations
	Chapter 15:Waves
Total		70

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Opting for Infinity Learn NCERT Solutions offers a multitude of benefits that can significantly enhance your learning experience and academic performance. Here are some compelling reasons why you should consider choosing Infinity Learn’s NCERT Solutions:

Comprehensive Coverage: Infinity Learn’s NCERT Solutions cover the entire NCERT curriculum for various subjects and classes. This ensures that you have access to accurate and detailed explanations for every topic, chapter, and concept, leaving no gaps in your understanding.
Clarity and Simplicity: The solutions provided by Infinity Learn are designed to be clear, concise, and easy to understand. Complex concepts are broken down into simple explanations, making it easier for you to grasp and apply the knowledge effectively.
Expertly Crafted: Infinity Learn’s NCERT Solutions are crafted by subject-matter experts who have a deep understanding of the curriculum and the intricacies of each topic. This ensures that you receive accurate and reliable information that aligns with the NCERT syllabus.
Step-by-Step Approach: The solutions follow a step-by-step approach, guiding you through each problem or concept methodically. This approach not only helps you solve problems but also teaches you the thought process behind it, enhancing your problem-solving skills.
Variety of Questions: Infinity Learn’s solutions cover a wide range of questions, including examples from the NCERT textbook as well as additional practice questions. This variety prepares you for different types of questions that might appear in exams.
Time Management: By providing efficient solutions, Infinity Learn helps you save time in understanding concepts and solving problems. This gives you more time to focus on revision, practice, and exploring additional study materials.
Visual Aids: Some solutions may include diagrams, graphs, and illustrations to enhance your understanding of certain concepts. These visual aids make learning more engaging and help in retaining information better.
Concept Reinforcement: Infinity Learn’s solutions aim to reinforce the core concepts of each topic. This helps in building a strong foundation, which is crucial for understanding more complex concepts in the future.
Exam Preparation: The solutions are structured in a way that prepares you for exams. They not only provide answers but also offer insights into the right approach to answering questions and highlighting key points that examiners might look for.
Self-Assessment: Most solutions include exercises and practice questions. By attempting these questions and comparing your answers with the provided solutions, you can assess your own understanding and identify areas that need more attention.
Convenient Accessibility: Infinity Learn’s NCERT Solutions are often available online, making them accessible anytime, anywhere. This convenience allows you to study and practice at your own pace and convenience.
Supplement to Classroom Learning: These solutions can serve as a supplement to your classroom learning, helping you reinforce what you’ve learned in school and clarifying any doubts you might have.

In conclusion, Infinity Learn’s NCERT Solutions offer a wealth of advantages, from comprehensive coverage to expert guidance and efficient learning. They can be a valuable tool to complement your studies, enhance your understanding, and boost your academic success.

Vijayi Bhava Course | Sample Video for Class 11 Physics

Frequently Asked Questions on NCERT Solutions for Class 11 Physics

Why should I consider using NCERT Solutions for Class 11 Physics?

NCERT Solutions for Class 11 Physics serve as a valuable resource to tackle textbook problems effectively. The challenges posed by Class 11 Physics chapters can be daunting initially, given the vast syllabus and introduction to new concepts. To navigate this, students can turn to NCERT Solutions available on e-learning platforms like Infinity Learn for comprehensive clarity. These solutions play a crucial role in resolving doubts related to any question, thereby aiding students in better exam preparation. Since Class 11 Physics content holds significant weightage in competitive exams like NEET and JEE, it's vital for students to focus on mastering the subject. By opting for NCERT Solutions, students can enrich their understanding and gain the proficiency needed to solve problems accurately.

Which chapter should I begin with if I'm finding Class 11 Physics challenging?

Within the NCERT Solutions for Class 11 Physics, you'll discover 15 diverse chapters, each with its level of complexity tailored to individual students. If you're seeking a starting point, consider Chapter 1: Physical World, which offers a straightforward introduction. Additionally, Chapter 2: Units and Measurements is both manageable and essential. Infinity Learn's solutions provide clear and accessible explanations for all chapters, offering substantial support to students. Initiating your journey with these chapters can boost your confidence and provide a solid foundation for progressing through the rest of the material with greater ease.

Which chapter is important in Class 11 Physics?

In the realm of Physics, the significance of each chapter is uniform and noteworthy. Despite varying levels of complexity, these chapters collectively contribute to your academic achievement and lay the groundwork for future endeavors. Adhering to the NCERT-prescribed syllabus is essential, as it aligns with examination content. Infinity Learn’s NCERT solutions for Class 11 Physics echo this approach, furnishing students with confidence in their studies. This assurance stems from the alignment with curriculum, ensuring a holistic understanding of the subject matter.

Is Class 11 Physics Challenging?

No subject becomes challenging when approached with proper guidance and consistent practice. Within the Class 11 curriculum, Physics might present a slightly more intricate landscape compared to other subjects. It demands a firm grasp of concepts and a sturdy foundation to conquer its intricacies. Infinity Learn's Class 11 Physics solutions serve as a valuable resource for demystifying these complex topics. These solutions present the material in a clear, engaging manner, ensuring that students can readily comprehend and retain these fundamental principles for a lifetime.

Which chapter in the NCERT Solutions for Class 11 Physics is considered less challenging?

When students dedicate consistent effort to understand all concepts, no chapter becomes overly difficult. The extensive syllabus might initially seem overwhelming, but as you progress, you'll find comfort in the subject. Should any uncertainties arise, you can seek guidance from experienced faculty members at Infinity Learn. They have years of expertise in this domain. Furthermore, you can freely access the solutions PDF on the Infinity Learn website