seismic waves travel slowly trough
The basic properties of transverse waves are: Amplitude Time Period Frequency Phase Wavelength Crest Trough
Sunlight and radiowaves are examples of electromagnetic waves, which are transverse mechanical waves. Sound waves are compression waves.
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Transverse and Compressional electromagetic waves Another opinion: No electromagnetic waves are compressional waves. They're all transverse. I think what the question was looking for is: -- Heat and visible light -- Radio waves and X-rays -- Ultraviolet and gamma rays etc.
Trough
it has to do with waves. trough- is the bottom of the wave crest- is the top of the wave
The maximum height of crest and trough determines the wavelength of waves
It is the Lowest point in a wave the upper point is the crest the bottom point is the trough H
trough
A perfect vacuum
The trough or the valley between two waves is the lowest part of a wave. Its highest point is called the crest.
The lowest point of a wave is known as the trough
wavelength - distance between waves (eg crest to crest or trough to trough)
In electromagnetic waves -- or ocean waves, for that matter -- a crest is the peak, or maximum height, of the waveforms. A troughs is the lowest point. The wavelength of a wave is measured from one crest (peak) to the next or from one trough to the next. The trough is the low point of a wave.
There are many real life examples of a wavelength. The radio station on campus produces waves of about 3 meters--we solved for it in a lab given a frequency and the velocity of sound in air. The wavelength of a wave in general is considered to be crest to crest or trough to trough... Which is very visually apparent if you imagine a series of waves on the ocean.
I'm guessing you're talking about Transverse waves? eg. ~ Waves consist of two parts - a crest and a trough. The crest are the high points, and a trough is the low points. When a crest meets another crest, the wave is amplified, causing constructive interference (the crests add to each other). The same thing occurs when a trough meets a trough. However, when a crest meets a trough, the wave is diminished, causing destructive interference (the crest and trough cancel each other out).