1.

The escape velocity of a particle of a particle from the surface of the earth is given byA. `(gR)^(1//2)`B. `(2gR)^(1//2)`C. `(3gR)^(1//2)`D. `(gR//2)^(1//2)`

Answer» Correct Answer - B
Escape velocity `v_(e)=sqrt(2gR)`


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