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NCERT Solutions Class 11 Physics

By Swati Singh

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Updated on 13 Jun 2025, 15:23 IST

NCERT Solutions for Physics serve as an essential aid for students tackling the challenges of Class 11 Physics. These solutions are thoughtfully prepared to complement the NCERT Class 11 Physics textbook, offering detailed explanations and step-by-step guidance for solving problems. The primary goal is to simplify complex Physics concepts, making them easier for students to grasp and apply. By using these solutions, students can strengthen their understanding of core Physics principles and improve their problem-solving abilities.

One of the key benefits of using NCERT Solutions for Class 11 Physics is their complete alignment with the Central Board of Secondary Education (CBSE) curriculum. This ensures that students are thoroughly prepared for their board examinations, as the solutions closely adhere to the CBSE syllabus, marking scheme, and exam patterns.

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Class 11 Physics NCERT Solutions Chapters – Free PDF Download

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

NCERT Solutions Class 11 Physics Chapters-wise - Question Answer

Chapter 1: Physical World

Topics Covered:

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  • Meaning and scope of Physics
  • Nature of physical laws
  • Fundamental forces of nature
  • Importance of Physics in technology and society

Key Solutions: Detailed explanations on SI units, physical laws, and applications of Physics in daily life.

Chapter 2: Units and Measurements

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Topics Covered:

  • Measurement of physical quantities
  • Significant figures
  • Errors in measurement
  • Dimensional analysis

Key Solutions: Step-by-step solutions for error analysis, unit conversions, and dimensional formulas.

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Chapter 3: Motion in a Straight Line

Topics Covered:

  • Position, path length, and displacement
  • Average speed and instantaneous velocity
  • Uniform and non-uniform motion
  • Equations of motion

Key Solutions: Fully solved numerical problems, graphical illustrations, and conceptual questions.

Chapter 4: Motion in a Plane

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Topics Covered:

  • Scalars and vectors
  • Resolution of vectors
  • Projectile motion
  • Uniform circular motion

Key Solutions: Vector addition and subtraction, projectile motion equations, and circular motion problems.

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Chapter 5: Laws of Motion

Topics Covered:

  • Newton's laws of motion
  • Inertia, momentum, and impulse
  • Friction
  • Circular motion applications

Key Solutions: Application-based problems with diagrams, free-body diagrams, and real-life examples.

Chapter 6: Work, Energy and Power

Topics Covered:

  • Work done by a force
  • Kinetic and potential energy
  • Power and energy conservation
  • Collisions

Key Solutions: Solved problems on work-energy theorem, power calculations, and elastic/inelastic collisions.

Chapter 7: System of Particles and Rotational Motion

Topics Covered:

  • Centre of mass
  • Torque and angular momentum
  • Moment of inertia
  • Rotational dynamics

Key Solutions: Clear derivations, rotational motion problems, and conceptual MCQs.

Chapter 8: Gravitation

Topics Covered:

  • Universal law of gravitation
  • Acceleration due to gravity
  • Kepler's laws
  • Gravitational potential energy

Key Solutions: Numerical problems on satellite motion, escape velocity, and gravitational potential.

Chapter 9: Mechanical Properties of Solids

Topics Covered:

  • Elasticity
  • Stress-strain relationship
  • Young's modulus, Bulk modulus
  • Applications of elasticity

Key Solutions: Complete solutions with proper derivations and problem-solving steps.

Chapter 10: Mechanical Properties of Fluids

Topics Covered:

  • Pressure and Pascal's law
  • Buoyancy and Archimedes' principle
  • Viscosity and surface tension
  • Bernoulli's principle

Key Solutions: Solved conceptual questions and numerical problems on fluid dynamics.

Chapter 11: Thermal Properties of Matter

Topics Covered:

  • Temperature and heat
  • Calorimetry
  • Thermal expansion
  • Laws of thermodynamics

Key Solutions: Heat transfer problems, expansion coefficients, and thermodynamic calculations.

Chapter 12: Thermodynamics

Topics Covered:

  • Zeroth law of thermodynamics
  • First and second law
  • Carnot engine and efficiency

Key Solutions: Conceptual clarity on laws of thermodynamics, solved numerical examples.

Chapter 13: Kinetic Theory

Topics Covered:

  • Behavior of ideal gases
  • Kinetic theory of gases
  • Degrees of freedom

Key Solutions: Step-by-step solutions for kinetic theory formulas and ideal gas behavior.

Chapter 14: Oscillations

Topics Covered:

  • Periodic and oscillatory motion
  • Simple harmonic motion (SHM)
  • Energy in SHM

Key Solutions: Detailed SHM problems, derivations, and graphical explanations.

Chapter 15: Waves

Topics Covered:

  • Wave motion and types
  • Transverse and longitudinal waves
  • Superposition principle
  • Doppler effect

Key Solutions: Solved problems on wave equations, sound waves, and Doppler effect applications.

Why Use Our NCERT Solutions for Class 11 Physics?

  • Detailed Explanations: Each solution is explained in simple language.
  • Exam-Oriented: Solutions follow CBSE marking schemes.
  • Prepared by Experts: Curated by experienced Physics teachers.
  • Boosts Conceptual Understanding: Clarifies all key concepts of Class 11 Physics.
  • JEE & NEET Foundation: Helps build strong fundamentals for competitive exams.

NCERT Solutions Class 11 Physics FAQs

What are NCERT Solutions for Class 11 Physics?

NCERT Solutions for Class 11 Physics are detailed, chapter-wise explanations and answers for all exercises, numericals, and conceptual questions provided in the NCERT Physics textbook. These solutions help students understand the concepts, formulas, and problem-solving techniques needed for board exams and competitive exams like NEET, JEE, and Olympiads.

Why are NCERT Class 11 Physics Solutions important for students?

NCERT Physics Class 11 forms the foundation for Class 12 and higher-level entrance exams. The solutions:

Simplify complex Physics concepts.

Provide step-by-step solutions for numerical problems.

Offer clear explanations of derivations and formulas.

Strengthen conceptual understanding.

Prepare students for both CBSE board exams and competitive exams like JEE & NEET.

Are NCERT Solutions Class 11 Physics enough for JEE and NEET preparation?

NCERT Physics Class 11 forms the base for both JEE and NEET. While NCERT Solutions are excellent for building conceptual clarity, for competitive exams, students also need to practice additional problem sets, previous year papers, and advanced-level questions to gain an edge.

How many chapters are there in Class 11 Physics NCERT?

Class 11 Physics NCERT textbook includes 15 chapters, divided into two parts:

Part 1: Physical World, Units and Measurements, Motion in a Straight Line, Motion in a Plane, Laws of Motion, Work, Energy and Power, System of Particles and Rotational Motion, Gravitation.

Part 2: Mechanical Properties of Solids, Mechanical Properties of Fluids, Thermal Properties of Matter, Thermodynamics, Kinetic Theory, Oscillations, Waves.

Where can I download NCERT Solutions for Class 11 Physics PDF?

You can download the NCERT Solutions Class 11 Physics PDF from trusted educational platforms like Infinity Learn, NCERT official website, or various online study resources that offer free, accurate, and updated solutions chapter-wise.

Do NCERT Solutions for Class 11 Physics include numerical problems?

Yes. The NCERT Solutions cover:

Detailed step-by-step solutions for all numerical questions.

Conceptual explanations.

Diagrams and graphs wherever necessary.

Short tricks for solving complex problems.

Can NCERT Solutions help in improving my board exam marks?

Absolutely! NCERT Solutions are directly aligned with the CBSE syllabus and exam pattern. Thoroughly practicing these solutions helps students:

Understand question patterns.

Write accurate answers.

Manage time effectively during exams.

Score higher marks.

Are these NCERT Solutions as per the latest CBSE syllabus 2025-26?

Yes, most reputed platforms regularly update their NCERT Solutions as per the latest CBSE syllabus 2025-26, ensuring that students prepare with the most relevant and accurate material.

Do I need to practice additional reference books along with NCERT Solutions?

For CBSE board exams, NCERT Solutions are usually sufficient. However, for deeper understanding and competitive exams like JEE and NEET, you may also refer to:

  • HC Verma
  • D.C. Pandey series
  • Previous year papers
  • Sample question papers

Are Infinity Learn’s NCERT Solutions Class 11 Physics helpful?

Yes. Infinity Learn’s NCERT Solutions for Class 11 Physics are:

Written by expert Physics faculty.

Easy to understand and exam-focused.

Include solved numericals, important derivations, and key concepts.

Help students strengthen both theoretical and practical understanding.