Light of wavelength 558.0 nm is incident on a narrow slit. The diffraction pattern is viewed on a screen 80.5 cm from the slit. The distance on the screen between the second order minimum and the central maximum is 1.47 cm. What is the width a of the slit in micrometers (µm)? a = um

Light of wavelength 558.0 nm is incident on a narrow slit. The diffraction pattern is viewed on a screen 80.5 cm from the slit. The distance on the screen between the second order minimum and the central maximum is 1.47 cm. What is the width a of the slit in micrometers (µm)? a = um

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 44PQ

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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 558.0 nm is incident on a narrow slit. The diffraction pattern is viewed on a screen 80.5 cm from the slit.
The distance on the screen between the second order minimum and the central maximum is 1.47 cm. What is the width a of the
slit in micrometers (µm)?
a =
um

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