What is the thinnest film of MgF2 (n = 1.39) on glass that produces a strong reflection for orange light with a wavelength of 620 nm? Express your answer with the appropriate units. d= μA Value Units ?

What is the thinnest film of MgF2 (n = 1.39) on glass that produces a strong reflection for orange light with a wavelength of 620 nm? Express your answer with the appropriate units. d= μA Value Units ?

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter3: Interference

Section: Chapter Questions

Problem 47P: To save money on making military aircraft invisible to radar, an inventor decides to coat them with...

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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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What is the thinnest film of MgF₂ (n = 1.39) on glass that produces a strong reflection for orange light with a wavelength of 620 nm?
Express your answer with the appropriate units.
d=
O
μA
Value
Units
?

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