Homework Answers
Solution:
Answer: a) 0
b) 1.28 m
c) 1.06 m
wavelength of the source = l = 0.22 m
For integral values of m =0,1,2,3 etc the pathe difference is delta X = m l
For half integral values of m = 0.5 , 1.5 , 2.5 , etc , it is destructive interefernce delta X = m l, where l = wavelength
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