Question

100 points !!!!!!!!!!!
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Please find the correct answer
with explanation​

Answer 1

Answer:

angle substanded by a fringe of the centre is called angular fringe width.

angular fringe width = lembda/d

ø = lembda /d = ß/D

d = distance between two slits

lembda= wavelength

ß = fringe width

answer is all of these