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11 Cards in this Set

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Reflection
When an object or a wave hits a surface through which it cannot pass, it bounces back.
Law of refraction
The rule that the angle of reflection equals the angle of incidence.
refraction
The bending of waves as they enter a new medium at an angle.
diffraction
The bending of waves as they move around a barrier or pass through an opening.
interference
The interaction between waves that meet.
constructive inference
The interference that occurs when waves combine to make a wave with a larger amplitude
deconstructive inference
The interference that occurs when two waves combine to make a wave with a smaller amplitude.
standing wave
A wave that appears to stand in one place, even though it is really two waves interfering as they pass through each other.
node
A point of zero amplitude on a standing wave.
antinode
A point of maximum amplitude on a standing wave.
resonance
resonance

The increase in the amplitude of a vibration that occurs when external vibrations match an object’s natural frequency.