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

A proton, a deuteron and an `alpha` particle are accelerated through same potential difference and then they enter a normal uniform magnetic field, the ratio of their kinetic energies will be

A

`2:1:3`

B

`1:1:2`

C

`1:1:1`

D

`1:2:4`

Text Solution

Verified by Experts

The correct Answer is:
B
`E_(k)=qV,E_(K)prop qQv=` constant
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