Science ch. 12

who said light is made up of particles

who said light is a wave

German physicist demonstrated radio waves

who came up with the wave theory of light

Scottish physicists demonstrated that light consists of electromagnetic waves

light above a certain frequency can knock electrons loose from atoms of certain metals

theory stating that light has both a wave nature and a particle nature

using the quantum theory scientists speak of light as consisting of tiny bundles or packets of energy

an electromagnetic wave traveling as photons

what are the colors red, green, and blue called

light rays from a distant object are refracted by heated air so that the object appears to be nearby

"twinkling"

process in which colors reflected is iridescence

a beam of light containing waves that are all aligned in the same direction