Which of the Following Photons Has the Highest Energy

Which of the following photons has the highest energy?

A) a photon from a lightbulb with   500 nm
B) a photon from a particle accelerator with   10 nm
C) a photon emitted from a nuclear reaction with   425 nm
D) a photon from an N laser with   337 nm
E) a photon from a KrF eximer laser with   248 nm