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In an interference experiment, third bright fringe is obtained at a point

In an interference experiment, third bright fringe is obtained at a point on the screen with a light of 700 nm. What should be the wavelength of the light source in order to obtain 5th bright firnge at the same point?

Options

(a) 500 nm
(b) 630 nm
(c) 750 nm
(d) 420 nm

Correct Answer:

420 nm

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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