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Home  >>  JEEMAIN and NEET  >>  Physics  >>  Class12  >>  Wave Optics

Two light sources emit light of same wavelength $\lambda$. They will form interfering patterns if

(a)They have same intensities

(b)They have same frequencies

(c)They have constant phase difference

(d) phase is changing randomly

1 Answer

For interference pattern phase difference must be constant .
Hence c is the correct answer.
answered Jan 21, 2014 by meena.p
 

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