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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

`2`

C

`0.5`

D

`4`

Text Solution

Verified by Experts

The correct Answer is:
B
`R = (p)/(Bq), (R_(p))/(R_(alpha)) = (2e)/(e) = 2`
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