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Waves Test Study

QuestionAnswer
Define Crest The highest part of the wave
Define Trough The lowest part of the wave
Define resting point The middle the of the wave
Define Amplitude The distance between the crest and the resting point.
What is another word for medium Medium means material.
Define frequency The number of waves in a amount of time.
Define Reflection When a wave bounces off a surface that it cannot pass through and is flipped upside down.
Define Refraction The bending of a wave as it enters a new medium (material), one side of the wave moves slower.
Define Diffraction Bending of a wave as it passes through an opening or around an obstacle.
What is the type of wave that energy heads in the same direction as the movement? Longitudinal Waves
What material can only longitudinal waves pass through? Solids
what is the wave that makes the medium vibrate at angles to the direction of the wave? Transverse Waves
What material can only Transverse waves pass through? Trick question they CANT pass through any of the 3 forms of matter: (solid, liquid, and gas.)
Define Wavelength The distance between 2 waves.
Define Interference When the crest of one wave overlaps another
Define Sound Waves Vibrations made up compressions and rarefactions
What is the speed of sound in dry air at 0°c? 33 meters per second
How many centi-meters are equivalent to 1 second. 7cm is equivalent to 1 second.
List all the types of frequencies on the electromagnetic spectrum in order from lowest to greatest. Radio Waves, Microwaves, Infrared, Visible Light, UV rays, X-rays, Gamma rays.
What is the formula for wave speed? wave speed = frequency X wavelength
What unit is used to measure frequency Hertz (Hz)
What kind of wave do you calculate wave speed for Transverse waves.
Example the difference between rarefactions and compressions. Compressions is were the molecules are interacting. and rarefactions is when they are not interacting with each other.
Created by: campbell36