Sun September 02, 2012 By: Akshay

a proton and a alpha particle enter a uniform magnetic field with same velocity find the time period of rotation of alpha particle

Expert Reply
Mon September 03, 2012
the time period is expressed as:
thus for the given particles:
for proton:
T1 = (2?m)/(qB)
for alpha particle:
T2 = (2?4m)/(2qB)
thus clearly:
T2 = 2 x T1
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