A) doubled
B) halved
C) tripled
D) unaltered
Correct Answer: A
Solution :
Escape velocity \[{{v}_{e}}=\sqrt{\frac{2GM}{R}}\] If \[R'=\frac{R}{4}\] \[v{{'}_{e}}=2\sqrt{\frac{2GM}{R}}\] Since, G and M are constant, hence \[v{{'}_{e}}=2{{v}_{e}}\]You need to login to perform this action.
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