| Definition | Term |
|---|
| point of highest pressure in a longitudinal wave | |
| a superposition of two or more waves that produces an intensity equal to the difference of the intensities of the individual waves, also known as cancellation | |
| a line in space that matches the direction of the flow of radiant energy | |
| the bouncing back of a ray of light, sound, or heat when the ray hits a surface that it does not go through | |
| in optics, a system that consists of two or more plane surfaces of a transparent solid at an angle with each other | |
| a superposition of two or more waves that produces an intensity equal to the sum of the intensities of the individual waves; also known as reinforcement | |
| an observed change in the frequency of a wave when the source or observer is moving | |
| a wave in which the particles of the medium vibrate parallel to the direction of wave motion | |
| a measure of how high or low a sound is perceived to be, depending on the frequency of the sound wave | |
| the lowest point of a transverse wave | |
| a phenomenon that occurs when two objects naturally vibrate at the same frequency | |
| a transparent object that refracts light waves such that they converge or diverge to create an image | |
| sound navigation and ranging, a system that uses acoustic signals and echoes to determine the location of objects or to communicate | |
| a pattern of vibration that simulates a wave that is standing still | |
| the maximum distance that the particles of a wave's medium vibrate from their rest positions | |
| an image from which light rays appear to diverge, even though they are not focused there; cannot be projected on a screen | |
| the distance from any point on a wave to an identical point on the next wave | |
| a wave that consists of oscillating electric and magnetic fields, which radiate outward at the speed of light | |
| a physical environment in which phenomena occur | |
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