If M be the mass of the earth, R its radius (assumed spherical) and G gravitational constant, then the amount of work that must be done on a body of mass m, so that it completely escapes from the gravity of the earth of the earth is given byA. `(GmM)/(R)`B. `(GmM)/(2R)`C. `(3GmM)/(2R)`D. `(4GmM)/(3R)`

If M be the mass of the earth, R its radius (assumed spherical) and G

1.	If M be the mass of the earth, R its radius (assumed spherical) and G gravitational constant, then the amount of work that must be done on a body of mass m, so that it completely escapes from the gravity of the earth of the earth is given byA. `(GmM)/(R)`B. `(GmM)/(2R)`C. `(3GmM)/(2R)`D. `(4GmM)/(3R)`
Answer» Correct Answer - A

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