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A charged particle of mass m and charge ...

A charged particle of mass m and charge q describes circular motion of radius r in a unifrom magnetic fiels of strenght b the frequency of revolution is

A

`(Bq)/(2pim)`

B

`(Bq)/(2pim)`

C

`(2pim)/(Bq)`

D

`(Bq)/(2piq)`

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The correct Answer is:
A
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