Published by:
CGP EDU Academic Team
Published on: September 13, 2026
Proton with kinetic energy of 
moves from south to north. It gets an acceleration of 
by an applied magnetic field (west to east). The value of magnetic field: (Rest mass of proton is 
)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
JEE Main 2020
So 
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