Collision — JEE Main PYQs & Practice Questions

Collision is a Physics chapter in the JEE Main syllabus. This page brings together 43 previous-year and practice questions on Collision, organised into 4 topics: Elastic Collision, Inelastic Collision, Coefficient of Restitution and Oblique Collision. Most questions come with a step-by-step solution you can work through free in PrepWiser.

Download Collision JEE Main PYQs as a free PDF (with answer key)

Revise this chapter: Revision notes · Formula sheet

Chapter weightage: how many questions each chapter had per shift in the 2024–26 papers.

Elastic Collision

• What percentage of kinetic energy of a moving particle is transferred to a stationary…
• Particle A of mass m A = m/2 moving along the x-axis with velocity v₀ collides…
• A particle of mass m is moving along the x-axis with initial velocity uî. It collides…
• As per the given figure, a small ball P slides down the quadrant of a circle and hits…
• Three objects A, B and C are kept in a straight line on a frictionless horizontal…
• A small bob A of mass m is attached to a massless rigid rod of length 1 m pivoted at…
• A body of mass 1 kg collides head on elastically with a stationary body of mass 3 kg…
• Two billiard balls of mass 0.05 kg each moving in opposite directions with 10 ms⁻¹…
• Given below are two statements : one is labelled as Assertion A and the other is…
• Given below are two statements. One is labelled as Assertion (A) and the other is…
• Two identical blocks A and B each of mass m resting on the smooth horizontal floor are…
• Two bodies of equal mass undergo a one-dimensional elastic collision, with one initially…
• A body A, of mass m = 0.1 kg has an initial velocity of 3î ms⁻¹ . It collides…
• A particle of mass m with an initial velocity uî collides perfectly elastically with a…
• As shown below, bob A of a pendulum having massless string of length 'R' is released…
• A body of mass 2 kg moving with a speed of 4 m/s. makes an elastic collision with…

Inelastic Collision

• In a perfectly inelastic collision, which quantity is conserved?
• Two bodies of the same mass are moving with the same speed, but in different directions…
• A pendulum of length 2 m consists of a wooden bob of mass 50 g. A bullet of mass 75 g is…
• An object of mass m₁ collides with another object of mass m₂, which is at rest. After…
• A bullet of mass 0.1 kg moving horizontally with speed 400 ms⁻¹ hits a wooden block of…
• A particle of mass m is dropped from a height h above the ground. At the same time…
• In a perfectly inelastic collision, two spheres made of the same material with masses 15…
• A particle of mass m is projected with a speed u from the ground at an angle θ = π/3…
• A particle of mass m moving with velocity v collides with a stationary particle of mass…
• Consider two blocks A and B of masses m₁=10 kg and m₂=5 kg that are placed on a…
• A simple pendulum of length 1 m has a wooden bob of mass 1 kg. It is struck by a bullet…
• A block of mass 1.9 kg is at rest at the edge of a table, of height 1 m. A bullet of…
• A bullet of 10 g, moving with velocity v, collides head-on with the stationary bob of a…
• A large block of wood of mass M = 5.99 kg is hanging from two long massless cords. A…
• A bag of sand of mass 9.8 kg is suspended by a rope. A bullet of 200 g travelling with…
• Blocks of masses m, 2m, 4m and 8m are arranged in a line on a frictionless floor…
• Two particles of equal mass m have respective initial velocities uî and u( (î + ĵ)/2 )…
• A ball of mass 200 g rests on a vertical post of height 20 m. A bullet of mass 10 g…
• A particle of mass 200 MeV/c² collides with a hydrogen atom at rest. Soon after the…

Coefficient of Restitution

• A ball is dropped from a height of 20 m. If the coefficient of restitution for the…
• A body is dropped on ground from a height 'h₁' and after hitting the ground, it rebounds…
• The coefficient of restitution for a perfectly elastic collision is:

Oblique Collision

• A ball of mass 10 kg moving with a velocity 10√3 m s⁻¹ along X-axis, hits another ball…
• Particle A of mass m₁ moving with velocity ( √3î + ĵ )ms⁻¹ collides with another…
• A ball of mass 10 kg moving with a velocity 10√3 m/s along the x-axis, hits another ball…
• A body of mass M moving at speed V₀ collides elastically with a mass 'm' at rest. After…
• A ball with a speed of 9 m/s collides with another identical ball at rest. After the…

More Physics chapters

• Basic Mathematics for Physics
• Units, Dimensions & Errors
• Rectilinear Motion
• Vectors
• Projectile Motion & Relative Motion
• Newton's Laws of Motion
• Friction
• Circular Motion
• Work, Energy & Power
• Centre of Mass & Linear Momentum
• Rotational Motion
• Gravitation
• Simple Harmonic Motion
• Elasticity
• Fluid Mechanics
• Surface Tension
• Thermometry & Calorimetry
• Kinetic Theory of Gases
• Thermodynamics
• Heat Transfer
• Mechanical Waves
• Sound Waves
• Experimental Skills
• Electrostatics I — Charges, Field & Gauss's Law
• Electrostatics II — Potential & Capacitance
• Current Electricity
• Moving Charges & Magnetism
• Magnetism & Matter
• Electromagnetic Induction
• Alternating Current
• Electromagnetic Waves
• Ray Optics
• Wave Optics
• Dual Nature of Radiation & Matter
• Atomic Physics
• Nuclear Physics
• Semiconductors & Electronic Devices
• Communication Systems

Frequently asked questions

How many Collision questions are there for JEE Main?

PrepWiser has 43 Collision questions for JEE Main, grouped into 4 topics such as Elastic Collision, Inelastic Collision and Coefficient of Restitution.

Are these Collision questions from previous-year JEE Main papers?

Yes — most are genuine previous-year questions from past JEE Main papers, and the rest are practice questions written to match the JEE Main pattern and difficulty.

Where can I see the answers and solutions to these Collision questions?

Open any Collision question in PrepWiser (it is free) to attempt it; most come with a step-by-step solution.