When light rays passes from air into glass _________ remains constant.
A monochromatic beam of light passes from air into a glass block. When the ray of light passes from air to glass, the wavelength of light changes. As the ray of light passes from air to glass its wavelength will :
When a light ray passes from air into glass, what happens to its speed ? Draw a diagram to show which way the ray of light bends.
A ray of light passes from air into a block of glass. Does it bend towards the normal or away from it ?