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vocabch. 22


electromagnetic spectrum all of the fequencies or wavelengths of electromagnetic radiation
opaque describes an object that is not transparent or translucent
reflection bouncing back of a ray of light, sound, or heat when the ray hits a surface that it does not go through
diffraction change in the direction of a wave when the wave finds an obstacle or an edge, such as an opening
refraction bending of a wave as the wave passes between two substances in which the speed of the wave differs
interference combination of two or more waves that results in a single wave
radiation the transfer of energy of an electromagnetic wave
Electromagnetic waves
Lawof reflection
Created by: brownie27lw