Radio waves are an example of electromagnetic waves
according to the Doppler effect, light from a star moving away from Earth will have a higher frequency than light from a star moving toward the Earth
light waves are examples of transverse waves
as the period of a wave increases, the frequency increases
when light passes from air to glass, the light may change direction due to reflection
A person is standing still and listening to a siren sounding an alarm. Tghe frequency of the sounmd is 500Hz. The person begins to run toward the sound at a rate of 20 m/a. The
sound waves from a radio generally travel in which medium
our eyes can detect light only within a range of __ called visible light
the max displacement of a particle by a wave is called
the ______ is the distance between two crests of a wave
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