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A proton, a deuteron and an alpha-partic...

A proton, a deuteron and an `alpha`-particle with the same KE enter a region of uniform magnetic field, moving at right angles to B. What is the ratio of the radii of their circular paths ?

A

`1:sqrt2:1`

B

`1:sqrt2:sqrt2`

C

`sqrt2:sqrt2:1`

D

`sqrt2:1:1`

Text Solution

Verified by Experts

The correct Answer is:
A
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