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A proton and a deuteron with the same in...

A proton and a deuteron with the same initial kinetic energy enter a magnetic field in a direction perpendicular to the direction of the field.The ratio of the radii of the circular trajectories described by them is

A

`1 : 4`

B

`1 : sqrt(2)`

C

`1 : 1`

D

`1 : 2`

Text Solution

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The correct Answer is:
B
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