NCERT Solutions for Class 11 Physics
Byju’s provides NCERT Solutions for Class 11 CBSE that have been reviewed by our top experts in physics. The chronological solution for class 11 physics has been shared so that students are able to solve questions from NCERT textbooks easily. Along with solutions, sample papers as also been shared so that students can prepare well to fetch good marks in CBSE board examination.
The solutions are provided in a Chapter–wise format along with the solutions that are provided to the exercise questions stated after every unit or a chapter. In order for students to know which topics have to be studied in detail from the exam point of view, each topic has been marked along with marks weightage of each question.

Download Chapter Wise Solutions For CBSE Class 11 Physics

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

Chapter 9 : Mechanical Properties of Solids

Q1. A steel wire of cross-sectional area 3 x 10- 5m2 and length of 5m stretches by the same length ...
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Chapter 5: Laws of Motion

Q1.What is the direction and magnitude of the net force working on ( a ) a hovercraft moving at a ...
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Chapter 2: Units and Measurement

Question 1: Complete the following: (1) A cube whose sides measure 2 cm each has a volume equal to ________ ...
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Chapter 13: Kinetic Theory

Q.1: Calculate the ratio of molecular volume to the actual volume of oxygen gas at standard temperature and pressure. (Diameter ...
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Chapter 7: System of Particles and Rotational Motion

Q1. Where is the center of mass of the following structures located ( a ) ring, ( b ) cube, ...
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Posts in category Ncert solution class 11 physics

Chapter 9 : Mechanical Properties of ...

Chapter 9 : Mechanical Properties of Solids

Q1. A steel wire of cross-sectional area 3 x 10– 5m2 and length of 5m stretches by the same length as a copper wire of cross-sectional area 4.0 x 10-5m2 and length 4m  under a given load. Find the ratio of  Young’s modulus of copper to that of steel? Ans. Given, Length of the steel wire, L1 = […]

Chapter 5: Laws of Motion

Chapter 5: Laws of Motion

Q1.What is the direction and magnitude of the net force working on ( a ) a hovercraft moving at a constant speed of 20 km/h on a rough road, ( b ) a bottle cap of mass 5 gm  floating on wine, ( c ) an  electron moving in space  free of electromagnetic fields and […]

Chapter 2: Units and Measurement

Chapter 2: Units and Measurement

Question 1:  Complete the following: (1) A cube whose sides measure 2 cm each has a volume equal to ________ Ans: 2 cm = m Volume of the cube = = m m m = 8 x 106 Therefore, the volume = 8 x 106 (2) A solid cylinder having a radius of 3 cm and […]

Chapter 13: Kinetic Theory

Chapter 13: Kinetic Theory

Q.1: Calculate the ratio of molecular volume to the actual volume of oxygen gas at standard temperature and pressure. (Diameter of oxygen molecule = 3Å)   Sol: Diameter of an oxygen molecule, d = 3Å Radius, r =d/2 = 1.5 Å = 1.5 × 10 – 8 cm We know: Actual volume occupied by 1 […]

Chapter 7: System of Particles and Ro...

Chapter 7: System of Particles and Rotational Motion

Q1. Where is the center of mass of the following structures located ( a ) ring, ( b ) cube, ( c ) sphere, and ( d ) cylinder? Is it necessary for a body’s center of mass to lie inside it ? Ans. All the given structures are symmetric bodies having a very uniform […]

Chapter 6: Work, Energy and Power

Chapter 6: Work, Energy and Power

 Que.1. It is important to understand the sign of  work done by a force on a body. Find whether the following are positive or negative: (a) The work done in lifting of a bucket by the use of  a rope. (b) The work done by the force due to gravity in lifting the bucket. (c) […]

Chapter 4: Motion in a Plane

Chapter 4: Motion in a Plane

Q-1: State whether the following physical quantities are scalar or vector.                     (i) Mass (ii) Volume (iii) Speed (iv) Acceleration (v) Density (vi) Number of moles (vii) Velocity (viii) Angular frequency (ix) Displacement (x) Angular velocity   Ans: Scalar: Density, mass, speed, volume, angular frequency, number of moles. Vector: Velocity, acceleration, angular velocity, displacement. A scalar […]

Chapter 15: Waves

Chapter 15: Waves

Q1. A 5 kg string is under 400 Newton of tension. The string is stretched to 40.0 m. If one end of the string is given a transverse jerk, find the amount of time taken by the disturbance take to reach the other end? Ans: Given, Mass of the string, M = 5 kg Tension […]

Chapter 14: Oscillations

Chapter 14: Oscillations

Q1. Which of the following is periodic motions: (a) A swimmer making to and fro laps in a river. (b) A star revolving around a black hole. (c) A bullet fired from a gun. (d) A freely suspended bar magnet is moved away from its N –S direction and released. ANSWER: ( a ) A […]

Chapter 10: Mechanical Properties of ...

Chapter 10: Mechanical Properties of Fluids

Q.1: Explain the following: (i). Humans have a greater blood pressure in their feet than in the head (ii). Even though the atmosphere extends over 100 km from the sea level. Atmospheric pressure at an altitude of about 6 km is almost half of its value at sea level. (iii). Pressure is force divided by […]

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