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A proton, a deuteron and an alpha Parti...

A proton, a deuteron and an `alpha` Particle with the same kinetic energies enter in a region of uniform transverse magnetic field. The ratio of the radii of their circular paths is

A

`1:sqrt2:1`

B

`1:sqrt2:sqrt2`

C

`sqrt2:sqrt2:1`

D

`sqrt2:1:1`

Text Solution

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The correct Answer is:
A
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