The following are representative wavelengths in the infrared, ultraviolet, and x-ray regions of the electromagnetic spectrum, respectively:

Question:

The following are representative wavelengths in the infrared, ultraviolet, and x-ray regions of the electromagnetic spectrum, respectively: 1.0 × 10–6 m, 1.0 × 10–8 m, and 1.0 × 10–10 m. What is the energy of a photon of each radiation? Which has the greatest amount of energy per photon? Which has the least?