A proton and an 
-particle (with their masses in the ratio 1:4 and charges in the ratio of 1 : 2) are accelerated from rest through a potential difference 
. If a uniform magnetic field 
is set up perpendicular to their velocities, the ratio of the radii 
of the circular paths described by them will be
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
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