Answered: At most, how many bright fringes can be…

At most, how many bright fringes can be formed on either side of the central bright fringe when light of wavelength 648 nm falls on a double slit whose slit separation is 4.37 x 10-6 m?

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter3: Interference

Section: Chapter Questions

Problem 16P: At what angle is the first-order maximum for 450-nm wavelength blue light falling on double slits...

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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

At most, how many bright fringes can be formed on either side of the central bright fringe when light of wavelength 648 nm falls on a
double slit whose slit separation is 4.37 x 10-6 m?
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