A 2MeV proton is moving perpendicular to...

A `2MeV` proton is moving perpendicular to a uniform magnetic field `2.5` tesla. The force on the proton is

`8 xx 10^(-10)` N

`4 xx 10^(-10)` N

`1.2 xx 10^(-10)` N

`7.84 xx 10^(-12)` N

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