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An alpha-particle of mass 6.4 xx 10^-27 ...

An `alpha`-particle of mass `6.4 xx 10^-27 kg` and charged `3.2 xx 10^-19 C` is situated in a uniform electric field of `1.6 xx 10^-5 V m^-1` . The velocity of the particle at the end of `2 xx 10^-2 m` path when it starts from rest is

A

`4sqrt2 xx 10^5 ms^-1`.

B

`2sqrt3 xx 10^5 ms^-1`.

C

`8 xx 10^5 ms^-1`.

D

`16 xx 10^5 ms^-1`.

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