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?

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Raindrops will fall faster

Walking on the ground would become more difficult.

Time period of a simple pendulum on the Earth would decrease.

g on the Earth will not change.

answer is D.

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Detailed Solution

If universal Gravitational constant becomes ten times, then G'=10G.So, acceleration due to gravity increases.i.e, (d) is wrong option.

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