Wave Interference Video Lessons

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Problem: Two light sources are said to be coherent if they area. of the same frequency, and maintain a constant phase difference.b. of the same frequency and amplitude.c. of the same frequency.d. of the same amplitude, and maintain a constant phase difference.

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Coherence enables temporally and spatially constant interference. 

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Problem Details

Two light sources are said to be coherent if they are
a. of the same frequency, and maintain a constant phase difference.
b. of the same frequency and amplitude.
c. of the same frequency.
d. of the same amplitude, and maintain a constant phase difference.

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