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In a YDSE bi-chromatic light of wavelength 400 nm and 560 nm are used. The distance between the slits is 0.1 nm and the distance between the plane of the slit and the screen is 1 m. The minimum distance between two successive regions of complete darkness is
A. |
4 mm |
B. |
5.6 mm |
C. |
14 mm |
D. |
28 mm |
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