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CBSE Class 12-science Answered

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?
Asked by devna | 17 Jan, 2012, 04:11: PM
answered-by-expert Expert Answer
S/b<?/d
 
d is the distaance between the two slits.
Answered by | 30 Jan, 2012, 06:52: PM

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if separation between the two slits is increased till fringes are observed then what will happen to angular separation of fringes (my thought is here  fringes are not observed  and they are increasing till fringes show up ...so until then what will happen to angular width if we increase d-slit separation..does angular width increases or remains same  
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