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Gr. 11 Physics - Waves

Mechanical Waves Requires a material medium such as water or air
Electromagnetic Waves Requires no medium. Can travel through space at the speed of light
Transverse Waves cause the particles of the medium to vibrate perpendicular to the direction in which the waves are moving
Longitudinal Waves Cause the medium to vibrate parallel to the direction which the wave is traveling. Consists alternating areas of high pressure compression
Surface Waves A mixture of longitudinal and transverse waves
Wave Pulse Single displacement
Traveling pulse Regular displacement
Period Short time interval which the notion repeats itself. measured in seconds
Frequency The number of waves that pass a given point in one second. measured by Hz
Rest Position The position an object assumes at rest
Phase When vibrating objects such as a pendulum have the same amplitude and frequency but don't have the same point in their cycles at the same time
Crests The high points of each wave motion
Troughs The low points of each wave motioin
Amplitude The height of the wave above the original undisturbed medium
Wavelength The shortest distance between points where the wave pattern repeats itself. Measured in meters
Created by: RavenSilverclaw