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HomePhysicsA body of mass m is taken from earth surface to the height h equal to radius of earth, the increase in potential energy will be

A body of mass m is taken from earth surface to the height h equal to radius of earth, the increase in potential energy will be

(a)      mgR                                    (b)     1/2 mgR

(c)   2 mgR                                 (d)     1/4 mgR

Answer: b

(252)

5/5 - (1 vote)

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12. An ideal gas is taken through the cycle A→ B → C → A, as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process C → A is

(a)      – 5 J (b)  – 10 J (c)   – 15 J (d)  – 20 J Answer-a (126)

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