Question
Tue January 17, 2012 By: Devna
 

if 's' is the size of the source and 'b' its distance from the plane of the two slits,what should be the criterion for the interference fringes to be seen?

Expert Reply
Mon January 30, 2012
S/b<?/d
 
d is the distaance between the two slits.
Tue February 07, 2017

Please solve:  

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