Potential energy possessed by an object of mass m and raised to a height 2h above the earth's surface is:

zero

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mgh/2

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mgh

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2mgh

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Solution

The correct option is D
2mgh

Let m be the mass of the body, h be the height at which it is raised and g be the acceleration due to gravity.
Potenetial energy, P.E = mgh
Given h = 2h
Therefore, P.E = mg2h or 2mgh

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