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Interference of light: Wedge shaped film, No. of firnges.

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Considering Otto Wiener's experiment in monochromatic light of wavelength 550nm, if the film plane is angle at 1 degree to the reflecting surface, determine the number of bright bands per centimeter that will appear on it.

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Please see the attachment.

Considering Otto Wiener's experiment in monochromatic light of wavelength 550nm, if the film plane is angle at 1 degree to the reflecting surface, determine the number of bright bands per centimeter that will appear on it.

Answer:

In this experiment the light sensitive film is formed before the mercury polish, forming the mirror. If the film is making angle  with the mirror then a wedge shaped air film is formed ...

Solution Summary

Interference of light through wedge shaped film, number of fringe per unit length is calculated.

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