A proton of mass m and charge q is moving in a plane with kinetic energy E. If there exists a uniform magnetic field B, perpendicular to the plane of the motion, the proton will move in a circular path of radius:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
As we know 
If 
Then, 
…(i)
Also, 
…(ii)
From Eqs. (i) and (ii), we get
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