Find the wrong option from the following...

Find the wrong option from the following. Two beams of light will give rise to an interference pattern. If they are

coherent

having the same wavelength

linearly polarised perrpendicular to each other

monochromatic

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The correct Answer is:

Interference pattern is not obtained if the two beams are linearly polarised, perpendicular to each other. The two beams must have the same state of polarisation and they must be coherent.

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