True or false: Light requires a medium to travel through
False
The period of a wave is the reciprocal of ____
Frequency
A sound wave is which type of wave: transverse or longitudinal?
Longitudinal
In a longitudinal wave, the ___ is the area of maximum density.
compression
The frequency of a sound wave is related to its _____ while the amplitude is related to its ______.
pitch; volume or loudness
This is the bending of light waves around or through a barrier.
diffraction
Why does a spoon look bent in water?
refraction
As the pitch of a sound wave increases, what has to happen to its wavelength?
Decrease
All electromagnetic waves transfer energy through _____
True or False: a longitudinal wave is the only wave that can be polarized
False; transverse or light waves are the only ones that can be polarized
Transverse waves travel ____ to the direction of energy flow.
perpendicular
Why can sound not travel through space?
Has to have a medium to travel through (particles to vibrate)
The blocking of one of the planes of a light wave
polarization
All electromagnetic waves travel at what speed?
3 x 108 m/s
Which wave travels faster: light or sound
Light
The frequency and wavelength of a wave are _____ related.
inversely
Due to the doppler effect, what happens to the sound waves as a siren moves closer to you?
they become compressed