Ratio of the radius of a planet A to tha...

Ratio of the radius of a planet `A` to that of planet `B` is `r`. The ratio of acceleration due to gravity for the two planets is `x`. The ratio of the escape velocities from the two planets is

A

`xr`

B

`sqrt(r/x)`

C

`sqrt(rx)`

D

`sqrt(x/r)`

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The correct Answer is:

C

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