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Find the angular separation between the consecutive bright fringes in a Young's double slit experiment with blue-green light of wavelength The separation between the slits is .
Important Questions on Light Waves
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A narrow slit transmitting light of wavelength is placed at a distance above a large plane mirror as shown. The light coming directly from the slit
and that coming after the reflection interfere at a screen placed at a distance from the slit.
(a) What will be the intensity at a point just above the mirror, i.e., just above ?
(b) At what distance from does the first maximum occur?
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