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)

`8 xx 10^(-12)`

`8 xx 10^(-11)`

`3 xx 10^(-11)`

`3 xx 10^(-10)`

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