8) A single slit cut into a foil is illuminated by a 680.nm laser beam. A diffraction pattern projected on a screen 5.5 meters away has a central bright band 8cm wide. What is the width of the slit? include equations please

8) A single slit cut into a foil is illuminated by a 680.nm laser beam. A diffraction pattern projected on a screen 5.5 meters away has a central bright band 8cm wide. What is the width of the slit? include equations please

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter35: Diffraction And Interference

Section: Chapter Questions

Problem 68PQ

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Concept explainers

Diffraction of light

In physics, the term diffraction is defined as the bending of light around the corners of the obstacle. As a light ray passes by an aperture, it bends around the edges or through slits, it spreads out through a narrow opening. The diffracted light will produce fringes of bright and dark or colored bands which are labeled as a diffraction pattern.

Question

8) A single slit cut into a foil is illuminated by a
680.nm laser beam. A diffraction pattern
projected on a screen 5.5 meters away has a
central bright band 8cm wide. What is the width
of the slit?
include equations please

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