How many MCQ questions are available for Work, Energy and Power?

There are 61 MCQ questions available for Work, Energy and Power (Class 11 Physics) — 23 easy, 25 medium, and 13 hard.

Work, Energy and Power

Q: What topics are covered in Work, Energy and Power?

Key concepts covered: Circular Motion Dynamics, Conservation of Energy, Conservative and Non-Conservative Forces, Elastic and Inelastic Collisions, Kinetic Energy, Linear Momentum, Potential Energy, Power, Spring Force and Potential Energy, Work Done by a Constant Force, Work Done by a Variable Force, Work-Energy Theorem.

Class 11 · Physics

61 questions23 easy25 medium13 hard

Sample Questions

Q1.The elastic potential energy stored in a spring (k = 200 N/m) compressed by 0.1 m is:

A1 J
B2 J
C10 J
D20 J

Q2.1 kilowatt-hour (kWh) is equal to:

A1000 J
B3.6 x 10^5 J
C3.6 x 10^6 J
D3.6 x 10^3 J

Q3.The work-energy theorem states that the net work done on a body equals:

Aits potential energy
Bthe change in its kinetic energy
Cits total mechanical energy
Dthe change in its potential energy

Q4.A body of mass 1 kg is moved along a smooth incline of 30 degrees through 4 m. The work done against gravity is (g = 10 m/s^2):

A10 J
B20 J
C40 J
D80 J

Q5.A spring (k = 100 N/m) is compressed by 0.2 m. When released, it fires a mass of 0.1 kg. The speed of the mass is:

A1 m/s
B2 m/s
C4 m/s
D10 m/s

Q6.This is a sample question to preview what you'll get in the full practice test...

A. Option one
B. Option two
C. Option three
D. Option four

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Concepts Covered

Circular Motion DynamicsConservation of EnergyConservative and Non-Conservative ForcesElastic and Inelastic CollisionsKinetic EnergyLinear MomentumPotential EnergyPowerSpring Force and Potential EnergyWork Done by a Constant ForceWork Done by a Variable ForceWork-Energy Theorem

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