2) Light with a wavelength of 660 nm is used in Young's double-slit experiment, if the separation between the slits is 2.2 × 10-6 m. Determine the angle that locates: a) the dark fringe for which m = 1. b) the bright fringe for which m= 2.

2) Light with a wavelength of 660 nm is used in Young's double-slit experiment, if the separation between the slits is 2.2 × 10-6 m. Determine the angle that locates: a) the dark fringe for which m = 1. b) the bright fringe for which m= 2.

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 38P: A monochromatic light of wavelength 589 nm incident on a double slit with slit width 2.5 m and...

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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.

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2) Light with a wavelength of 660 nm is used in Young's double-slit experiment, if the
separation between the slits is 2.2 × 10-6 m. Determine the angle that locates:
a) the dark fringe for which m = 1.
b) the bright fringe for which m= 2.

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