What do you understand by interference of light? Two waves with
amplitudes a
and
a2
and angular frequency w are imposed. Find
the intensity in case of constructive interference and destructive
interference.
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Answer:
This is known as destructive interference. In fact, if the two waves (with the same amplitude) are shifted by exactly half a wavelength when they merge together, then the crest of one wave will match up perfectly with the trough of the other wave, and they will cancel each other out.
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