1.

Escape velocity on a planet is \[{{v}_{e}}\]. If radius of the planet remains same and mass becomes 4 times, the escape velocity becomes                                  [MP PMT 1996; DPMT 1999]

A.             \[4\,{{v}_{e}}\]         
B.             \[2\,{{v}_{e}}\]
C.             \[{{v}_{e}}\] 
D.             \[\frac{1}{2}{{v}_{e}}\]
Answer» C.             \[{{v}_{e}}\] 


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