A soap/water film on a wire loop (this means a thin layer of water with air on either side, and nair < nwater) appears black at its thinnest portion when the reflected light is viewed. A thin oil film floating on water appears bright at its thinnest portion when the reflected light is viewed (note that nair < noil < nwater). What is the reason for this difference? Select one: a. When the light travels from water (soap film) to air, the reflected ray undergoes a half-wavelength phase shift, but when it goes from oil to water, the reflected ray has no phase shift O b. When the light travels from oil to water, the reflected ray undergoes a half-wavelength phase shift, but when it goes from water (soap film) to air, the reflected ray has no phase shift C. Oil is naturally much more reflective than a soap film O d. When the light travels from air to water (soap film), and from air to oil, the reflected rays both undergo a half-wavelength phase shift O e. When the light travels from water (soap film) to air, and from oil to water, the reflected rays both undergo a half-wavelength phase shift

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A soap/water film on a wire loop (this means a thin layer of water with air on
either side, and nair <nwater) appears black at its thinnest portion when the
reflected light is viewed. A thin oil film floating on water appears bright at its
thinnest portion when the reflected light is viewed (note that nair <noil <
nwater). What is the reason for this difference?
Select one:
a. When the light travels from water (soap film) to air, the reflected ray
undergoes a half-wavelength phase shift, but when it goes from oil to
water, the reflected ray has no phase shift
O b. When the light travels from oil to water, the reflected ray undergoes a
half-wavelength phase shift, but when it goes from water (soap film)
to air, the reflected ray has no phase shift
C.
Oil is naturally much more reflective than a soap film
O d. When the light travels from air to water (soap film), and from air to oil,
the reflected rays both undergo a half-wavelength phase shift
e.
When the light travels from water (soap film) to air, and from oil to
water, the reflected rays both undergo a half-wavelength phase shift
Check
Transcribed Image Text:A soap/water film on a wire loop (this means a thin layer of water with air on either side, and nair <nwater) appears black at its thinnest portion when the reflected light is viewed. A thin oil film floating on water appears bright at its thinnest portion when the reflected light is viewed (note that nair <noil < nwater). What is the reason for this difference? Select one: a. When the light travels from water (soap film) to air, the reflected ray undergoes a half-wavelength phase shift, but when it goes from oil to water, the reflected ray has no phase shift O b. When the light travels from oil to water, the reflected ray undergoes a half-wavelength phase shift, but when it goes from water (soap film) to air, the reflected ray has no phase shift C. Oil is naturally much more reflective than a soap film O d. When the light travels from air to water (soap film), and from air to oil, the reflected rays both undergo a half-wavelength phase shift e. When the light travels from water (soap film) to air, and from oil to water, the reflected rays both undergo a half-wavelength phase shift Check
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