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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Debanjana Adhikari posted an Question
June 02, 2020 • 15:24 pm
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30 points
30 points
- CSIR NET
- Physical Sciences
Q79. a screen has two slits, each of width w with their centres at a distance 2w apart. ft is illuminated by a monochromatic plane wave travelling along the x -
Q79. A screen has two slits, each of width w with their centres at a distance 2w apart. ft is illuminated by a monochromatic plane wave travelling along the x -axis. The intensity of the interference pattern, measured on a distant screen, at an angle 0=*to the x-axis is (a) zero for n = 1,2,3... b) maximum for n =1,2,3... (C) maximum for n =S. (d) zero for n=0 only w W
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Chandra prakash
dear plz give response
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Ruby negi
Maxima is when the n is integral multiple n=0,1,2....
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Sravani
Answer is C since the distance between centres is 2d