If g is the acceleration due to gravity on the earth's surface, the gain in the potential energy of an object of mass m raised from the surface of earth to a height equal to the radius of the earth R, is [IIT 1983]

Sodium hydroxide, acetic acid, \[{{H}_{2}}\]

If g is the acceleration due to gravity on the earth's surface, the ga

1.	If g is the acceleration due to gravity on the earth's surface, the gain in the potential energy of an object of mass m raised from the surface of earth to a height equal to the radius of the earth R, is [IIT 1983]
A.	\[\frac{1}{2}mgR\]
B.	2 mgR
C.	Sodium hydroxide, acetic acid, \[{{H}_{2}}\]
D.	\[\frac{1}{4}mgR\]
Answer» B. 2 mgR

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If g is the acceleration due to gravity on the earth's surface, the gain in the potential energy of an object of mass m raised from the surface of earth to a height equal to the radius of the earth R, is [IIT 1983]

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