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if we had to find first bright fringe from central maxima in YDSE then do we have to take n=2 or n-=1 similarily for first dark fringe from central maxima do we have to take n=1 or n=2 ( using 2n-1/2)

if we had to find first bright fringe from central maxima in YDSE then do we have to take n=2 or n-=1 
 
similarily for  first dark fringe from central maxima do we have to take   n=1 or n=2 ( using 2n-1/2)
 
 

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1 Answers

Shivansh
askIITians Faculty 267 Points
2 years ago
for the first bright maxima, take 1
for the first dark spot, take 1

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