Match the light with its photon energy Red 700 nm Green 500 nm Blue 450 nm Near ultraviolet 350 nm Ultraviolet 250 nm X-ray 1 nanometer (nm or 10-9 m) Gamma radiation 1 picometer (pm or 10-12 m) Infrared 100 micron (10-6 meter) Microwave 1 mm A. 4.9 eV B. 0.012 eV or 12 meV (milli-eV or 10-3 eV) C. 1.8 eV D. 1.3 keV (kilo electron volt or 103 eV) E. 3.5 eV F. 0.0012 eV or 1.2 meV (milli-eV or 10-3 eV) G. 2.8 eV H. 1.2 MeV ( mega electron volt or 106 eV) I. 2.5 eV