(a) If the distance between two slits in Young's double slit experiment is 1.0 mm, the distance between the slits and the detection screen is 2 m, and the distance between central max- imum and second order fringe at the screen is 1 mm, then determine the wavelength or the incident radiation. On which part of the electromagnetic spectrum will it lie? What should be the expected distance between the slit and screen for the same experimental setup when we use the radio waves incident on the double slits.
(a) If the distance between two slits in Young's double slit experiment is 1.0 mm, the distance between the slits and the detection screen is 2 m, and the distance between central max- imum and second order fringe at the screen is 1 mm, then determine the wavelength or the incident radiation. On which part of the electromagnetic spectrum will it lie? What should be the expected distance between the slit and screen for the same experimental setup when we use the radio waves incident on the double slits.
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Transcribed Image Text:(a) If the distance between two slits in Young's double slit experiment is 1.0 mm, the distance
between the slits and the detection screen is 2 m, and the distance between central max-
imum and second order fringe at the screen is 1 mm, then determine the wavelength of
the incident radiation. On which part of the electromagnetic spectrum will it lie? What
should be the expected distance between the slit and screen for the same experimental
setup when we use the radio waves incident on the double slits.
(b) White light is incident on the thin laminar layer of the soap having refractive index 1.33
and thickness 4000 Å. Which wavelengths from the normally incident white light will be
reflected most by this thin soap film and why?
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