In an interference experiment, third bright fringe is obtained at a po – McqOptions

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1.	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 fringe at the same point [KCET 2003]
A.	500 nm
B.	630 nm
C.	750 nm
D.	420 nm
Answer» E.

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