EASY
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Which of the following are the characteristic of an inelastic collision?
1. Momentum is conserved.
2. Total energy is conserved.
3. Kinetic energy is conserved.
4. All the forces must be of conservative nature.
Select the correct answer using the codes given below

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Important Questions on Physics

EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 96
Consider the following statements
1. Work done by a centripetal force is always zero.
2. When a body falls, potential energy is converted into kinetic energy.
3. The power of a body is defined as its capacity for doing work.
Which of the statement(s) given above is/are correct?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 97
Consider the fol lowing statements
1. The work done by a body against friction always causes a loss in the kinetic energy.
2. In an inelastic collision of two bodies, the total energy of the system changes to some other form but the linear momentum and kinetic energy remain unchanged.
Which of the statement (s) given above is/are correct?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 98
Which one of the following is a conventional energy source?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 99
A bullet hits and gets embedded in a solid block resting on a horizontal frictionless table. What is conserved?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 101
Match the following lists
     List I                                         List II
    (Equipments/Instruments)       (Transformation of Energy)
A. Dynamo                               1. Sound energy to Electrical energy
B. Microphone                         2. Mechanical energy into electrical energy
C. Loudspeaker                       3. Mechanical energy into sound energy
D. Musical Instrument              4. Electrical energy into sound energy
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 102

Consider the following statements:

1. A force is said to be conservative if the work done by the force on a particle in a round trip is zero.

2. A force is said to be non-conservative if work done by the force on a particle in a round trip is not zero.

3. The gravitational force and the electrostatic force are examples of non-conservative forces.

4. Viscous force and frictional force are examples of conservative forces.

Which of the statement (s) given above is/are correct?

MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 103
Two bodies A and B having masses m and 4m respectively are moving with equal linear momentum. The ratio of kinetic energies between A and B is _____.
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 104
Consider the following statements about Kinetic Energy (KE)
1. If the mass of the body is made double then its kinetic energy will become double.
2. If either velocity or linear momentum of the body is double, its KE will become four times that of the original.
Which of the statement(s) given above is/are correct?