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Below is a diffraction problem. I have the solutions to the problem but I don't know...

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Physics

Below is a diffraction problem. I have the solutions to theproblem but I don't know how to arrive at these solutions.

A) In an experiment two slits are separated by 0.22mm andilluminated by light of wavelength 640nm. How far must a screen beplaced in order for the bright fringes to be separated by 5 mm?(1.72 m)

B) A soap film is illuminated by white light normal to itssurface. The index of refraction of the film is 1.50. Lightcorresponding to a wavelength in air of 600 nm is intensified inthe reflected beam. The smalled thickness of the film is.. (0.10micrometers)

C) Unpolarized light of intensity Io passes through a pair ofpolarizing filters with their axes making an angle of 38 degrees.What fraction of Io passes through? (0.31)

Answer & Explanation Solved by verified expert
4.0 Ratings (778 Votes)
all the formulas pertain to double slit diffraction condition for maxima is given by ymlambdaDd where ydistance of m th order bright fringe from the center of screen morder of the bright fringe    See Answer
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