What is the correct expression for the angular frequency of a charged particle of…

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

Problem

What is the correct expression for the angular frequency

\omega

of a charged particle of charge

q

and mass

m

moving in a uniform magnetic field of magnitude

B

? (a)

\displaystyle \omega = \dfrac{qB}{2\pi m}

(b)

\displaystyle \omega = \dfrac{qB\sin\theta}{m}

(c)

\displaystyle \omega = \dfrac{qB}{m}

(d)

\displaystyle \omega = \dfrac{2\pi qB}{m}