1.

There are two planets. The ratio of radius of the two planets is K but ratio of acceleration due to gravity of both planets is g. What will be the ratio of their escape velocity      [BHU 2005]

A.             \[{{(Kg)}^{1/2}}\]
B.               \[{{(Kg)}^{-1/2}}\]
C.             \[{{(Kg)}^{2}}\]      
D.             \[{{(Kg)}^{-2}}\]
Answer» B.               \[{{(Kg)}^{-1/2}}\]


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