A neutron, a proton and an a-particle enter a region of transverse uniform magnetic field 
with the same initial velocities. The trajectories of the particles are shown in the figure. The trajectory of the proton is given by:
Text Solution
Verified by ExpertsThe correct answer is:
A
Since neutron has no charge, it will move undeflected in the magnetic field.
Proton and 
-particle both are positively charged and their radius of curvature is given by
∴ Radius of curvature is less for proton and hence path is the trajectory for proton.
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