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A charged particle of charge q and mass ...

A charged particle of charge q and mass m enters perpendicularly in a magnetic field `vecB` . Kinetic energy of the particle is E, then frequency of rotation is

A

`(qB)/(mpi)`

B

`(qB)/(2pim)`

C

`(qBE)/(2pim)`

D

`(qB)/(4pim)`

Text Solution

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The correct Answer is:
B
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