Light of wavelength A = 545 nm passes through a pair of slits that are 33 um wide and 215 um apart. How many bright interference fringes are there in the central diffraction maximum? How many bright interference fringes are there in the whole pattern?

Light of wavelength A = 545 nm passes through a pair of slits that are 33 um wide and 215 um apart. How many bright interference fringes are there in the central diffraction maximum? How many bright interference fringes are there in the whole pattern?

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 45PQ

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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.

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Light of wavelength A = 545 nm passes through a pair of slits that are 33 um wide and 215 µm apart.
How many bright interference fringes are there in the central diffraction maximum?
How many bright interference fringes are there in the whole pattern? |

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