A double-slit experiment is performed with a monochromatic light in a very foggy air. The index of refraction of the foggy air is 1.2 and the distance between two slits is 0.06 mm. The first bright fringe (constructive interference) on each side of the central fringe is observed on the screen at an angle of 0.5°. What is the frequency of the light used?

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homework 4
A double-slit experiment is performed with a monochromatic light in a very
foggy air. The index of refraction of the foggy air is 1.2 and the distance between two slits is
0.06 mm. The first bright fringe (constructive interference) on each side of the central fringe
is observed on the screen at an angle of 0.5°. What is the frequency of the light used?
Transcribed Image Text:A double-slit experiment is performed with a monochromatic light in a very foggy air. The index of refraction of the foggy air is 1.2 and the distance between two slits is 0.06 mm. The first bright fringe (constructive interference) on each side of the central fringe is observed on the screen at an angle of 0.5°. What is the frequency of the light used?
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