calculate the minimum distance through which the reflecting surface AB should be shifted so that intensity at P again becomes maximum.
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In YDSE’s experiment performed in a medium of refractive index (4/3), a light of 60 nm wavelength is falling ono the slits having 0.45 mm separation.t he lower slit S2 is covered by a thin glass sheet of thickness 10.4μm and refractive index 1.5 the interference pattern is observed on a screen palced 1.5m from [...]