4- To measure the wavelengths, we use a Michelson. If the wavelength of the two lights is 505 and 508 nm, how much should the length of the Michelson arm be moved so that these two beams can be resolved (separated)

4- To measure the wavelengths, we use a Michelson. If the wavelength of the two lights is 505 and 508 nm, how much should the length of the Michelson arm be moved so that these two beams can be resolved (separated)

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter3: Interference

Section: Chapter Questions

Problem 48P: A Michelson interferometer has two equal arms. A mercury light of wavelength 546 nm is used for the...

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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

4- To measure the
wavelengths, we use a
Michelson. If the
wavelength of the two
lights is 505 and
508 nm, how much
should the length of the
Michelson arm be
moved so that these two
beams can
be resolved (separated)

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