Q1 a screen is placed 510 cm from a single slit that is, Ask an Expert

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Q1. A screen is placed 51.0 cm from a single slit that is illuminated with light of wavelength 677 nm. If the distance between the first and third minima in the diffraction pattern is 2.80 mm, what is the width of slit?

Q2. The normal lens on a 35- camera has a focal length of 50.0. Its aperture diameter varies from the most of 50 () to a minimum of 2.0 ().

Find out the resolution limit set by diffraction for and. Specify as the number of lines per millimetre resolved on the film.

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