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Solution should be detailed with intensity calculation steps using wave equation for two incoherent sources.

17. wo incoherent line sources S and S2 each enmitting monochromatic
screen A containing two symmetrically positioned slits. In front of
cht of wavelength 1 are placed symmetrically in front of an opaque
Screen A containing two symmetrically positioned slits. In front of
oreen A another white screen B is placed as shown schematically in the
A
S1
Eaure. Distance between the sources is l and that between the slits is d.
1.
Distance between the sources and the screen A as well as that between
d.
screens A and B is D. The distance D is much larger than the distances
S2
1 and d. For what values of the distance l between the sources, no
stationary interference pattern will be observed on the screen B?
01,2,
-D- D-
2d
Transcribed Image Text:17. wo incoherent line sources S and S2 each enmitting monochromatic screen A containing two symmetrically positioned slits. In front of cht of wavelength 1 are placed symmetrically in front of an opaque Screen A containing two symmetrically positioned slits. In front of oreen A another white screen B is placed as shown schematically in the A S1 Eaure. Distance between the sources is l and that between the slits is d. 1. Distance between the sources and the screen A as well as that between d. screens A and B is D. The distance D is much larger than the distances S2 1 and d. For what values of the distance l between the sources, no stationary interference pattern will be observed on the screen B? 01,2, -D- D- 2d
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