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If a proton, deuteron, and alpha particl...

If a proton, deuteron, and alpha particle on being accelerated by the same potential difference enters perpendicular to the magnetic field, then the ratio of their kinetic energies is

A

`1 : 2 : 2`

B

`2 : 2 : 1`

C

`1 : 2 : 1`

D

`1 : 1 : 2`

Text Solution

Verified by Experts

The correct Answer is:
D
`K = q V implies K prop q`
`K_(p) : K_(d) : K_(a) = 1 : 1: 2`
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