1.

The escape velocity of a planet having mass 6 times and radius 2 times as that of earth is [CPMT 1999; MP PET 2003; Pb. PET 2002]

A.             \[\sqrt{3}\,{{V}_{e}}\]          
B.             \[3\,{{V}_{e}}\]
C.             \[\sqrt{2}\,{{V}_{e}}\]          
D.             \[2\,{{V}_{e}}\]
Answer» B.             \[3\,{{V}_{e}}\]


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