Answered: 38. A plane light wave falls on Fresnel…

38. A plane light wave falls on Fresnel min ors with an angle a = 2.0' between them. Determine the wavelength of light if the fringe-width on the screen is: Ax-0.55 mm. 367

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter35: The Nature Of Light And The Principles Of Ray Optics

Section: Chapter Questions

Problem 35.5OQ: What happens to a light wave when it travels from air into glass? (a) Its speed remains the same....

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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

38. A plane light wave falls on Fresnel mirrors with an angle a = 2.0' between them.
Determine the wavelength of light if the fringe-width on the screen is: Ax = 0.55 mm.
[Answer: 0.6 μm] [Same as 36
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