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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)`

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The correct Answer is:
B
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