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Question

...................is the condition for the mth maximum
  1. dsinθm=mλ< where m=0,1,2,..
  2. dsinθm=mλ< where m=1,2,3,..
  3. dsinθm=(2m+1)λ/2, where m=0,1,2,3
  4. dsinθm=(2m+1)λ/2, where m=1,2,3

A
dsinθm=mλ< where m=0,1,2,..
B
dsinθm=(2m+1)λ/2, where m=0,1,2,3
C
dsinθm=(2m+1)λ/2, where m=1,2,3
D
dsinθm=mλ< where m=1,2,3,..
Solution
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