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Science sound study guide
sound waves
19 cards·by Xuanerella
wavelength
the distance from any point on a wave to the same point on the next cycle of the wave
amplitude
the amount that a cycle moves away from the equilibrium
frequency
how often something repeals,expressed in hertz
pitch
the perception of high or low that you hear at different frequencies of sound
period
the time it takes for each complete cycle
cycle
a unit of motion that repeats
undisturbed line
with zero net force
transverse
a wave is blank when its oscillations are NOT in the direction it moves
longitude/compression
a wave is blank if its oscillations are in the direction it moves
plane wave
behind the shock wave, you can hear the nose from the plane
circular wave
circular polarization of an electromagnetic wave doesn't change strength but only changes
direction in a rotary manner
harmonics
graphs that show repeating cycles
constructive interference
when waves add up to make a larger amplitude
destructive inteference
when waves add up to make a smaller, or zero, amplitude
medium
any substance a wave travels through ex. heat waves
decibel
measure of the loudness (amplitude) of sound
hertz
the unit of frequency. One blank is one cycle per second.
If the frequency of a wave is 200 Hz, what is it period?
40
If the period is 2 seconds, what is the frequency?
0.5