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Phase Difference

Two waves hav...

Question

Two waves having the same wavelength and amplitude but having a constant phase difference with time are known as :

A

identical waves

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B

incoherent waves

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C

coherent waves

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D

collateral waves

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Solution

The correct option is C coherent waves
When the light waves are emitted from a single source and they have a constant phase difference between them then the waves are said to be coherent.
Option C is correct .

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