Which of the Following Photons Carry the Smallest Amount of Energy

Multiple Choice

Which of the following photons carry the smallest amount of energy?

A) a blue photon of the visible spectrum, whose wavelength is 450 nm
B) an infrared photon, whose wavelength is 10^-5 m
C) a red photon in the visible spectrum, whose wavelength is 700 nm
D) a microwave photon, whose wavelength is 10^-2 m
E) an ultraviolet photon, whose wavelength is 300 nm