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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A Young’s double slit apparatus is immersed in a liquid of refractive index mu 1. The slit plane touches the liquid surface. A parallel beam of monochromatic light of wavelength lemda (in air) is incident normally

A Young’s double slit apparatus is immersed in a liquid of refractive index mu 1. The slit plane touches the liquid surface. A parallel beam of monochromatic light of wavelength lemda (in air) is incident normally

White coherent light (4000-7000 A) is sent through the slits of a YDSE. The separation between the slits is 0.5 mm and screen is 50 cm away from the slits. There is a hole in the screen