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Waves

QuestionAnswer
When waves match an object's natural frequency, the result is _____. Resonance
How is wavelength measured on a transverse wave? from one crest to the next crest, or from one trough to the next trough.
When light waves or sound waves bend around an object, it is called _____. Diffraction
What type of lens is used to magnify objects? Convex
Describe how SONAR works. Sound waves bounce off of objects and the faster they come back, the close the object is
In sound waves, increased amplitude results in an increase in _____. Volume
In sound waves, increased frequency results in an in crease in _____ (how high or low a sound is) Pitch
What state of matter does sound travel the fasted through? solids
True or false: Mechanical waves require a medium to travel through. True
True or false: There is no medium for sound to travel through in outer space, therefore sound cannot travel in outer space. True
On the electromagnetic spectrum, as wavelength gets shorter, the waves have more _____. Energy
How are frequency and wavelength related? When frequency increases (more waves) wavelength decreases (waves get shorter). When frequency decreases (fewer waves) wavelength increases (waves get longer)
If a sound wave travels 3 meters then bounces off a surface and travels back to it's source, how far has it traveled? 6 meters
What are radio waves used for? Communication
What are microwaves used for? Cooking
What are infrared waves used for? Night vision goggles (heat signatures)
What are ultraviolet waves used for? Tanning beds
What are x-rays used for? Check for broken bones
What are gamma rays used for? Treat cancer
Created by: smorrow801
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