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Diffraction
Directional change of a wave when it encounters something in its path.
Refraction
A wave bending as it passes angularly from one thing to another.
Interference
Two things interacting with eachother.
Resonance
Vibrations and Frequencies
Medium
Something waves travel through.
Reflection
Waves bouncing off something.
Mechanical Waves
Disturbances that transmit energy through matter.
Hertz
Measured unit of frequency.
Lambda
Letter representing unit for wavelength.
Electromagnetic Spectrum
Describes the entire range of light that exists.