Problem

The energy of a photon is equal to the kinetic energy of a proton. The energy of the photon is

E

. Let

\lambda_1

be the de-Broglie wavelength of the proton and

\lambda_2

be the wavelength of the photon. The ratio

\frac{\lambda_1}{\lambda_2}

is proportional to a.

E^0

E^{1/2}

E^{-1}

E^{-2}