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A charge particle is moving in a unifor...

A charge particle is moving in a uniform magnetic field ib a circular path. The energy of the particle is doubled . If the initial radius of he circular path was `R`, the radius of the new circular path after the energy is doubled will be

A

`R//2`

B

`sqrt2R`

C

`2R`

D

`R//sqrt2`

Text Solution

Verified by Experts

The correct Answer is:
B
`rpropsqrtKERightarrowr_(2)/r_(1) =sqrt((KE_(2))/(KE_(1)))`
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