As a soap bubble thins it becomes dark, because thepath length difference becomes small compared with thewavelength of light and there is a phase shift at the topsurface. If it becomes dark when the path length difference isless than one-fourth the wavelength, what is the thickest thebubble can be and appear dark at all visible wavelengths?Assume the same index of refraction as water. (b) Discussthe fragility of the film considering the thickness found
As a soap bubble thins it becomes dark, because thepath length difference becomes small compared with thewavelength of light and there is a phase shift at the topsurface. If it becomes dark when the path length difference isless than one-fourth the wavelength, what is the thickest thebubble can be and appear dark at all visible wavelengths?Assume the same index of refraction as water. (b) Discussthe fragility of the film considering the thickness found
University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:William Moebs, Jeff Sanny
Chapter3: Interference
Section: Chapter Questions
Problem 91CP: A film of oil on water will appear dark when it is very thin, because the path length difference...
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As a soap bubble thins it becomes dark, because the
path length difference becomes small compared with the
wavelength of light and there is a phase shift at the top
surface. If it becomes dark when the path length difference is
less than one-fourth the wavelength, what is the thickest the
bubble can be and appear dark at all visible wavelengths?
Assume the same index of refraction as water. (b) Discuss
the fragility of the film considering the thickness found
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