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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

`sqrt(2)R`

C

2R

D

`R//sqrt(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`r prop sqrt( KE) rArr ( r_2)/( r_1) =sqrt((KE_2)/(KE_1))`
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