JEE · NEET Previous Year Question

If the mass of the Sun were ten times smaller and the universal gravitational constant were ten times larger in magnitude, which of the following is not correct?

Topic: NEET PYQ

Answer: B. Full step-by-step solution below.

  1. ARaindrops will fall faster.
  2. B'g' on the Earth will not change
  3. CTime period of a simple pendulum on the Earth would decrease.
  4. DWalking on the ground would become more difficult.

Correct answer: B

Solution

(b)
is depends in ' ', hence ' ' will change.
Hence raindrops will fall faster and walking on ground will more difficult.
Time period , hence " ' decreases.

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