A) Decrease by 2%
B) Remain unchanged
C) Increase by 2%
D) Increase by 1%
Correct Answer: C
Solution :
\[g=\frac{GM}{{{R}^{2}}}.\] If mass remains constant then \[g\propto \frac{1}{{{R}^{2}}}\] % increase in g = 2(% decrease in R) =2 × 1% = 2%.
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