A proton and an α-particle (with their masses in the ration of 1 : 4 and charges in the ration of 1 : 2) are accelerated from rest through a potential difference V. If a uniform magnetic field
A
1 : 3
B
is set up perpendicular to their velocities, the ratio of the radii r p : r α of the circular paths described by them will be: 
C
D
1 : 2
Text Solution
Verified by ExpertsThe correct answer is:
C
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