A monochromatic light wave travels from air into water.
Which row shows what happens to the wavelength, speed, and photon energy of the light?
Wavelength: decreases; Speed: decreases; Photon energy: does not change
Wavelength: decreases; Speed: decreases; Photon energy: decreases
Wavelength: does not change; Speed: increases; Photon energy: does not change
Wavelength: increases; Speed: decreases; Photon energy: increases
