If mass of earth is M, radius is R and gravitational constant is G, then work done to take 1 kg mass from earth surface to infinity will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Potential energy of the 1 kg mass which is placed at the earth surface = 
its potential energy at infinite = 0
∴ ∴ Work done = change in potential energy = 
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