The central bright fringe in a single-slit diffraction pattern has a width that equals the distance between the screen and the slit. Find the ratio A/W of the wavelength A of the light to the width W of the slit. Number i Units

The central bright fringe in a single-slit diffraction pattern has a width that equals the distance between the screen and the slit. Find the ratio A/W of the wavelength A of the light to the width W of the slit. Number i Units

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 32P: The width of the central peak in a single-slit diffraction pattern is 5.0 mm. The wavelength of the...

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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

The central bright fringe in a single-slit diffraction pattern has a width that equals the distance between the screen and the slit. Find
the ratio A/W of the wavelength of the light to the width W of the slit.
Number i
Units

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Step 1: Determine the given variables:

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Step 2: Obtaining the condition for the diffraction for a single slit:

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Step 3: Finding the ratio:

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