Which expression gives the angular frequency of a particle of mass and charge moving…

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

Problem

Which expression gives the angular frequency

\omega

of a particle of mass

m

and charge

q

moving at right angles to a uniform magnetic field of magnitude

B

? (a)

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

(b)

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

(c)

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

(d)

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