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At two points P and Q on a screen in Young`s double slit experiment, waves from slit S1 and S2 have a path difference of 0 and lambda/4 respectively. Then ratio of intensities at P and Q will be ?
path difference 0,lambda/4so phase difference 0, pi/2in case of zero, intensity= (2*sqrt(I))^2=4Iin cese of pi/2 I+I+2*sqrt(I*I)cos(pi/2)=2Iso I at P/I at Q=2thanks and regardsSher MOhammadfaculty askiitians
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