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Ask iit jee aieee pet cbse icse state board community Community Discussion Question: answer this YDSE question
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[Post New]8 Apr 2008 05:01:15 IST
    Subject: answer this YDSE question
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srivathsan.v (96)

Cool goIITian

Olaaa!! Perrrfect answer. 18  [21 rates]
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Consider the arrangement as shown. The separation between the slits S3 and S4 can be changed. The intensity is measured at a point P which is at the common perpendicular bisector of S1S2 and S3S4. When z=Dl/2d, the intensity measured at the point P is I. Find this intensity when z is equal to
(a)              Dl/d??..                  ans: zero
(b)             3Dl/2d?..                  ans: I
(c)              2Dl/d??                  ans: 2I
 
D
D
S1
S2
S3
S4
z
d
P
 
Give me the solution if anyone can.   
 
    
 
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