1.

`v_(e)` and `v_(p)` denotes the escape velocity from the earth and another planet having twice the radius and the same mean density as the earth. ThenA. `v_(e)=v_(p)`B. `v_(e)=v_(p)//2`C. `v_(e)=2v_(p)`D. `v_(e)=v_(p)//4`

Answer» Correct Answer - B


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