JEE · NEET Previous Year Question
A mass on the surface of the Earth is shifted to a target equal to the radius of the Earth.
If is the radius and is the mass of the Earth, then work done in this process is
Topic: JEE PYQ
Answer: A. Full step-by-step solution below.
- A
- B
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- D
Correct answer: A
Solution
(a): Gravitational potential energy of the mass on the surface of the Earth isand that at a target at a height from the surface of the Earth is
Work done in shifting the mass from the surface of the Earth to the target is
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