Consider the following. (a) Find the angle ? locating the first minimum in the Fraunhofer diffraction pattern of a single slit of width 0.218 mm, using light of wavelength 491 nm. (b) Find the angle locating the second minimum.

Consider the following. (a) Find the angle ? locating the first minimum in the Fraunhofer diffraction pattern of a single slit of width 0.218 mm, using light of wavelength 491 nm. (b) Find the angle locating the second minimum.

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 27P: If the separation between the first and the second minima of a single-slit diffraction pattern is...

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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

Consider the following.

(a) Find the angle ? locating the first minimum in the Fraunhofer diffraction pattern of a single slit of width 0.218 mm, using light of wavelength 491 nm.

(b) Find the angle locating the second minimum.

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