In a YDSE bi-chromatic light of wavelengths 400 nm and 560 nm are used – McqOptions

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1.	In a YDSE bi-chromatic light of wavelengths 400 nm and 560 nm are used. The distance between the slits is 0.1 mm and the distance between the plane of the slits and the screen is 1m. The minimum distance between two successive regions of complete darkness is [IIT JEE (Screening) 2004]
A.	4 mm
B.	5.6 mm
C.	14 mm
D.	28 mm
Answer» E.

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