on a 0.12-mm-wide s minimum in the diffraction pattern occurs at 0.70⁰. a. What is the wavelength of the incident light? b. If the screen on which the diffraction pattern is produced is placed the slit, determine the width of the central maximum.

on a 0.12-mm-wide s minimum in the diffraction pattern occurs at 0.70⁰. a. What is the wavelength of the incident light? b. If the screen on which the diffraction pattern is produced is placed the slit, determine 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 106AP: What are the angular positions of the first and second minima in a diffraction pattern produced by a...

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Concept explainers

Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.

Question

A monochromatic (single wavelength) light is incident on a 0.12-mm-wide slit. The second
minimum in the diffraction pattern occurs at 0.70⁰.
a. What is the wavelength of the incident light?
b. If the screen on which the diffraction pattern is produced is placed 0.8 m away from
the slit, determine the width of the central maximum.

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