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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A point source S emitting light of wavelength 600 nm is placed at a very small height h above a flat reflecting surface AB (see figure). The intensity of the reflected light is 36% of the incident intensity.

A point source S emitting light of wavelength 600 nm is placed at a very small height h above a flat reflecting surface AB (see figure). The intensity of the reflected light is 36% of the incident intensity.

A Lloyd's mirror of length 5 cm is illuminated with monochromatic light of wavelength lemda = (6000 A) from a narrow 1 mm slit in its plane and 5 cm plane from its near edge. Find the fringe