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The nessary condition for an interferenc...

The nessary condition for an interference by two sources of light is that:

A

two light sources must have same wavelength

B

two point sources must should have the same amplitude and same wavelength

C

two source should have the same wavelength, nearly the same amplitude and have a constant phase angle difference

D

the point sources should have a randomly varying difference

Text Solution

Verified by Experts

The correct Answer is:
C
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