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18 Cards in this Set
- Front
- Back
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what are the colors of the rainbow in order |
red, orange, yellow green, blue, indigo and violet |
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visible light |
the only electromagnetic wave that we can see; comes from the sun as white light |
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What makes an object black? |
the object absorbing all of the light so no light is reflected |
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what makes objects white |
the object reflects all light |
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which wave of the rainbow has the longest wavelength |
red |
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which wave of the rainbow has the shortest wavelength |
violet |
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the top of the wave is called ___ |
crest |
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the bottom of the wave is called ____ |
trough |
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from crest to crest is called |
wavelength |
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how many crest pass a certain point at a given time |
frequency |
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from the mid-line of the crest to the top of the crest is called |
amplitude |
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amplitude is also called |
wave intensity |
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measure of sound; cycle per sound |
hertz |
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change is sound as you move |
dopplar effect |
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decibel |
measure of volume |
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compression |
where the waves are close together |
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rearfaction |
where the waves are further apart |
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wavelength of a compessional wave |
compression to compression |
