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A proton is moving perpendicular to a un...

A proton is moving perpendicular to a uniform magnetic field of 2.5 tesla with 2 MeV kinetic energy. The force on proton is _______N. (Mass of proton= `1.6 xx 10^(-27)` kg, charge of proton `=1.6 xx 10^(-19)` C)

A

`8xx10^(-12)`

B

`8xx10^(-11)`

C

`3xx10^(-11)`

D

`3xx10^(-10)`

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The correct Answer is:
A
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