Proton with kinetic energy of 1MeV moves...|EMF|JEEMAIN 2020

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JEE MAIN 2020

08-01-20 S1

Question

Proton with kinetic energy of 1 MeV moves from south to north. It gets an acceleration of $10^{12} \mathrm{~m} / \mathrm{s}^2$ by an applied magnetic field (west to east). The value of magnetic field (Rest mass of proton is $1.6 \times 10^{-27} \mathrm{~kg}$ )

Select the correct option:

A

0.071 mT

B

0.71 mT

C

71 mT

D

7.1 mT

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Solution

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