JKSSB Mock Tests

If the radius of the Earth shrinks by 1% while its mass remains constant, what will be the effect on the acceleration due to gravity?

A. decreases by 1%
B. increases by 1%
C. increases by 2%
D. decreases by 2%
Answer: Option C
Solution (By JKSSB Mock Tests Team)
g = GM/R^2. By differentiation, a 1% decrease in radius (R) leads to a 2% increase in gravity (g).
This Question Belongs to: General science Physics set 1
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