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A stream of protons and alpha-particle o...

A stream of protons and `alpha`-particle of equal momenta enter a unifom magnetic field perpendicularly. The radii of their orbits are in the ratio

A

`1:1`

B

`1:2`

C

`2:1`

D

`4:1`

Text Solution

Verified by Experts

The correct Answer is:
C
`r=P/(Bq) or rprop1/q` (as P=constant)`
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