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A proton with a speed of 2xx10^7 m.s-1 e...

A proton with a speed of `2xx10^7` m.s-1 enters a magnetic field of flux density `1.5 Wb.m^-2`, making an angle of `30^@` with the field. The force acting on the proton is

A

`2.4xx10^-14`N

B

`2.4xx10^-12`N

C

`0.024xx10^-24`N

D

`24xx10^-12`N

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UNITED BOOK HOUSE-QUESTION PAPER 2017-EXERCISE
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