A. 2me/Bπ
B. 2B/meπ
C. 2πm/Be
D. Be/2πm
Correct Answer:
Option C = 2πm/Be
Explanation
Motion of charged particles in Magnetic field
qvb = MV2/r
where q = e
Introducing Period (T) as time taken to complete one orbit = 2π/Mqe
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