Two parallel narrow horizontal slits in an opaque vertical screen are separated center to center by d = 10 mm. These are directly illuminated by a plane wave from a filtered discharge lamp. Horizontal fringes are formed on a vertical viewing screen 16 m from the aperture plane. The center of the sixth bright band is y = 28 mm above the center of the zeroth/central bright band. a) Ag= Determine the wavelength An of the light in air. b) If the entire space is filled with a medium of an index of refraction n = 1.527, where would the sixth fringe now appear (find y)? y=
Two parallel narrow horizontal slits in an opaque vertical screen are separated center to center by d = 10 mm. These are directly illuminated by a plane wave from a filtered discharge lamp. Horizontal fringes are formed on a vertical viewing screen 16 m from the aperture plane. The center of the sixth bright band is y = 28 mm above the center of the zeroth/central bright band. a) Ag= Determine the wavelength An of the light in air. b) If the entire space is filled with a medium of an index of refraction n = 1.527, where would the sixth fringe now appear (find y)? y=
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Transcribed Image Text:Problem 5
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Two parallel narrow horizontal slits in an opaque vertical screen are separated center to center by d =
10 mm. These are directly illuminated by a plane wave from a filtered discharge lamp. Horizontal
fringes are formed on a vertical viewing screen 16 m from the aperture plane. The center of the sixth
bright band is y = 28 mm above the center of the zeroth/central bright band.
a)
Ag=
Determine the wavelength Ap of the light in air.
b)
If the entire space is filled with a medium of an index of refraction n = 1.527, where would
the sixth fringe now appear (find y)?
y=
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