A sodium light, having wavelength 589.3 nm, is used to view a soap film to make it look black when directed perpendicular to the film. What is the minimum thickness of the soap film if the index of refraction of soap solution is 1.38? O 314 nm O 114 nm O 294 nm O 214 nm O 194 nm

A sodium light, having wavelength 589.3 nm, is used to view a soap film to make it look black when directed perpendicular to the film. What is the minimum thickness of the soap film if the index of refraction of soap solution is 1.38? O 314 nm O 114 nm O 294 nm O 214 nm O 194 nm

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter27: Wave Optics

Section: Chapter Questions

Problem 23P: A beam of 580-nm light passes through two closely spaced glass plates at close to normal incidence...

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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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A sodium light, having wavelength 589.3 nm, is used to view a soap film to make it look black when
directed perpendicular to the film. What is the minimum thickness of the soap film if the index of
refraction of soap solution is 1.38?
O 314 nm
O 114 nm
O 294 nm
O 214 nm
O 194 nm

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