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A particle has a mass 400 times than tha...

A particle has a mass `400` times than that of the elctron and charge is double than that of aelectron. It is accelerated by `5 V` of potential difference. Initially the particle was at rest, then its final kinetic energy will be

A

5 eV

B

10 eV

C

100 eV

D

2000 eV

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