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Recent questions tagged telegram-1640
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(chatquestion)...Light of wave length 6000 Á is incident normally on a slit. The first minima of the diffraction pattern is observed to lie at a distance of 5 mm from the central maxima on a screen placed at a distance of 2 m from the slit. Calculate [Ans. 2-4 x 10-2 cm] the width of slit.
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telegram-1640
asked
Apr 9, 2020
by
balaji.thirumalai
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