In YDSE, find the thickness of a glass slab which should be placed before the upper slit S1 so that the central maximum now lies at a point where 5th bright fringe was lying earlier (before inserting the slab). Wavelength of light used is .
According to the question, shift = 5 (fringe width)
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In an interference arrangement, similar to Young’s double slit experiment, the slits S1 and S2 are illuminated with coherent microwave sources, each of frequency 106 Hz. The sources are synchronized to have zero phase difference. The slits are separated by distance d = 150.0 m. The intensity is measured as a function of , where is defined as shown in the figure. If I0 is maximum intensity, then for
90 is given by
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