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Questions  >>  JEEMAIN and NEET  >>  Physics  >>  Class11  >>  Gravitation
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Q)

The magnitude of potential energy per unit mass of object at surface of earth is E. then the escape velocity of the object is

\[(a)\;\sqrt {2E} \quad (b)\;\sqrt {4E^2} \quad (c)\;\sqrt E \quad (d)\;\sqrt {E/2} \]

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