Gravitation Question 34

Question: If the radius of the earth shrinks by 1.5% (mass remaining same), then the value of acceleration due to gravity changes by[BHU 1997]

Options:

A) 1%

B) 2%

C) 3%

D) 4%

Show Answer

Answer:

Correct Answer: C

Solution:

$ [g\propto \frac{1}{R^{2}}] $

Percentage change in g = 2(percentage change in R)$ [=2\times 1.5=-3%] $



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