Which expression gives the magnitude of the linear momentum of a photon in terms of…

PHYSICS · Single correct · A Level · Physics · Particles and radiation · Particles and radiation

Problem

Which expression gives the magnitude of the linear momentum

p

of a photon in terms of its wavelength

\lambda

? (a)

p=\dfrac{2\pi h}{\lambda}

(b)

p=\dfrac{h}{2\lambda}

(c)

p=\dfrac{h}{\lambda}

(d)

p=\dfrac{h}{2\pi\lambda}