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A particle of mass an charge q is projec...

A particle of mass an charge `q` is projected vertically upwards .A uniform electric field `vec(E)` is acted vertically downwards.The most appropriate graph between potential energy `U` (gravitation plus electrostatic) and height h(`lt lt` radius of earth) is :(assume `U` to be zero on surface of earth)

A

B

C

D

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