Answered: When light is diffracted through a…

When light is diffracted through a single slit of width 4.7 x 10-6 m, the angle of the second dark fringe is 21 degrees. Calculate the wavelength of the light. (Give your answer in meters)

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 50P: At what angle does a diffraction grating produce a second-order maximum for light having 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.

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When light is diffracted through a single slit of width 4.7 x 10^-6 m, the angle of the second dark fringe is 21 degrees. Calculate the wavelength of the light.
(Give your answer in meters)

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