Create an account
for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough
the number of waves passing a fixed point in a certain amount of time; it is based partly on wavelength (longer wavelengths take a longer time to pass) and partly on the speed the wave travels
the distance from one wave crest to the very next crest. (This may also be measured from trough to trough.)
2 relationships for waves
1) speed and frequency = directly proportional
(as speed goes up, frequency goes up)
2) wavelength and frequency = inversely proportional
(as wavelength gets longer, frequency goes down)
a straw looks "broken" when you look at it in a glass of water (because the light bends when it enters the water)
light will bend around a lampshade; sounds can be heard even if you are hiding behind something
electromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium - DOES NOT REQUIRE A MEDIUM)
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