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# WAVES

### Study all about waves with this stack.

Frequency The number of crests/troughs that pass by a given point per second.
Wavelength The distance between two crests/troughs in a wave.
Transverse wave A wave where the medium moves perpendicular to the direction of the wave.
Longitudinal Wave A wave where the medium moves parallel to the direction of the wave.
Medium Material in which a wave travels.
Mechanical Wave A wave that is caused when energy causes a vibration thru a medium.
Electromagnetic Wave A wave that does not travel through a medium and can travel through empty space.
Compression The area in a longitudinal wave where the particles are close together.
Crest The highest point of a transverse wave.
Energy The ability to move or change an object, or what a wave carries.
Rarefaction Area in a longitudinal wave in which the particles are spread out.
Trough The lowest point of a transverse wave.
How does a particle in a surface wave move? Circular
What is frequency measured in? Hz (Hertz)
Period The time between crests/troughs.
What is the formula to calculate wave speed? Frequency * wavelength
What do ALL waves carry? Energy
Reflection Bouncing of wave as it hits a surface.
Refraction Bending of waves as it moves through different substances.
Diffraction The bending of waves around a barrier.
What are the two types of interference? Constructive & Destructive.
Created by: bookworm214