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Which among the following graphs represents a body is moving with infinite velocity?

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Important Questions on Physics

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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 82
Consider the following statements:
1. When a coolie carrying a load on his head moves on a horizontal platform, the work done by the coolie against gravity is zero.
2. When a satellite revolves in a circular orbit around the Earth, the work done by the gravitational force on the satellite is zero.
3. When a body falls freely under gravity, the work done by gravity is negative.
4. Work is a scalar quantity.
Which of the statements given above is/are correct?
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UPSC CAPF AC Paper - I
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14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 83
Two bodies A and B are moving with equal velocities The mass of B is doubled that of A. In this context, which one of the following statements is correct?
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UPSC CAPF AC Paper - I
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14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 84
If a light body and a heavy body have equal momentum, then _____
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UPSC CAPF AC Paper - I
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14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 85
A ball is dropped from height 5 m. Ball is embedded in sand 1 m and stops, then _____.
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UPSC CAPF AC Paper - I
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14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 86
A cyclotron accelerates particles of mass m and charge q. The energy of particles emerging is proportional to _____.
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14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 87
An object is raised to a height of 3 m from the ground. It is then allowed to fall on to a table 1 m high from ground level. In this context, which one among the following statements is correct?
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UPSC CAPF AC Paper - I
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14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 88
In an elastic collision:
1. the kinetic energy remains constant.
2. the linear momentum remains constant.
3. the final kinetic energy is equal to the initial kinetic energy.
4. the final linear momentum is equal to the initial linear momentum.
Which of the statements given above are correct?
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UPSC CAPF AC Paper - I
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14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 1>Q 89

A metal ball and a rubber ball of the same mass are dropped from the same height. After hitting the floor, the rubber ball rises higher than the metal ball, why?