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The radius ofa planet is 1//4^(th)of ear...

The radius ofa planet is `1//4^(th)`of earth's radius and its acceleration due to gravity is double to earth's acceleration due to gravity. How many times value of escape velocity at the planet as compared. to its value at the earth?

A

`1/sqrt2`

B

`sqrt2`

C

`2sqrt2`

D

2

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