In a lecture demonstration a laser of wavelength 632.8 nm illuminates a slit of width 0.12 mm. The diffraction pattern is observed on a screen 12 m from the slit. What is the width of the central maximum?

In a lecture demonstration a laser of wavelength 632.8 nm illuminates a slit of width 0.12 mm. The diffraction pattern is observed on a screen 12 m from the slit. What is the width of the central maximum?

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 90AP: A monochromatic light of unknown wavelength is incident on a slit of width 20 m. A diffraction...

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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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In a lecture demonstration a laser of wavelength 632.8 nm illuminates a slit of width 0.12 mm. The diffraction pattern is observed on a screen 12 m from the slit. What is the width of
the central maximum?

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