Which of the following expressions gives the frequency with which a non-relativistic…

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

Which of the following expressions gives the frequency with which a non-relativistic charged particle of charge

q

and mass

m

revolves in a uniform magnetic field

B

inside a cyclotron? (a)

f = \dfrac{qB}{m}

(b)

f = \dfrac{qB}{4\pi m}

(c)

f = \dfrac{qB}{2\pi m}

(d)

f = \dfrac{2\pi qB}{m}