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NeX [460]
4 years ago
12

If light waves are coherent, a. they shift over time. b. their intensity is less than that of incoherent light. c. they remain i

n phase. d. they have less than three different wavelengths.
Physics
1 answer:
pychu [463]4 years ago
5 0
The correct option is: (c) They  remain in Phase

Two waves <span>are </span>coherent if the following three conditions are met:
1) They<span> have </span><span>the same frequency.
2) They have the same waveform. 
3) They remain in phase.

Hence the correct option is C.</span>
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