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Recent questions tagged telegram-1956

(chatquestion)...20. The angular width of the central maximum in a single slit diffraction pattern is 60°. The width of the slit is 1 um. The slit is illuminated by monochromatic plane waves. If another slit of same width is made near it, Young's fringes can be observed on a screen placed at a distance of 50 cm from the slits. If the observed fringe width is 1 cm, what is slit separation distance ? (Le. distance between the centres of each slit.) (1) 75yum (2) 100um (3) 25µm (4) 50 um

asked May 28, 2020 by balaji.thirumalai

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