give two characteristics of electromagnetic compound
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Answers
HELLO.MATES.
Characteristics of electromagnetic waves
Electromagnetic waves are transverse waves, similar to water waves in the ocean or the waves seen on a guitar string. This is as opposed to the compression waves of sound. As you learned in Wave Motion, all waves have amplitude, wavelength, velocity and frequency.
Amplitude:
The amplitude of electromagnetic waves relates to its intensity or brightness (as in the case of visible light).
With visible light, the brightness is usually measured in lumens. With other wavelengths the intensity of the radiation, which is power per unit area or watts per square meter is used. The square of the amplitude of a wave is the intensity.
Wavelength:
The wavelengths of electromagnetic waves go from extremely long to extremely short and everything in between. The wavelengths determine how matter responds to the electromagnetic wave, and those characteristics determine the name we give that particular group of wavelengths.
Velocity:
The velocity of electromagnetic waves in a vacuum is approximately 186,000 miles per second or 300,000 kilometers per second, the same as the speed of light. When these waves pass through matter, they slow down slightly, according to their wavelength.
Frequency:
The frequency of any waveform equals the velocity divided by the wavelength. The units of measurement are in cycles per second or Hertz.
Answer:
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