A proton carrying 1 
kinetic energy is moving in a circular path of radius 
in uniform magnetic field. What should be the energy of an 
‐particle to describe a circle of same radius in the same field?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Kinetic energy of a charged particle, 
or 
Radius of the circular path of a charged particle in uniform magnetic field is given by
Mass of a proton, 
Mass of an 
‐particle, 
Charge of a proton, 
Charge of an 
‐particle, 
And 
As 
(given) 
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