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In case of polarisation, if i is angle of incidence and θP is polarising angle then
A point object (inside a glass slab) when viewed from two opposite faces of a plane glass slab appears at distance of 9 cm and 5 cm respectively from the surfaces. Thickness of glass slab is (aμg = 1.5)
The ratio of resolving power of an optical microscope for two wavelengths 600 nm and 450 nm is
If bichromatic light used in YDSE have wavelengths λ1 = 700 nm and λ2 = 500 nm, then minimum order of maxima for λ1 which overlaps with maxima of λ2 is
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A point object is moving with a speed of 10 cm/s in front of a converging lens along the principal axis as shown in figure. At this instant, the speed of the image is
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