A soap film (n = 1.33) is formed in a loop of wire that is mounted vertically is not exactly uniform in thickness because of its weight, but wedge-shaped in cross section. When the film is illuminated with the orange light of wavelength 630 nm, one sees that a distance of 2.60 cm separates two bright fringes that are 4 orders apart. By how much does the film differ in thickness over this distance? in mico meters.

A soap film (n = 1.33) is formed in a loop of wire that is mounted vertically is not exactly uniform in thickness because of its weight, but wedge-shaped in cross section. When the film is illuminated with the orange light of wavelength 630 nm, one sees that a distance of 2.60 cm separates two bright fringes that are 4 orders apart. By how much does the film differ in thickness over this distance? in mico meters.

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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Concept explainers

Diffraction of light

In physics, the term diffraction is defined as the bending of light around the corners of the obstacle. As a light ray passes by an aperture, it bends around the edges or through slits, it spreads out through a narrow opening. The diffracted light will produce fringes of bright and dark or colored bands which are labeled as a diffraction pattern.

Question

A soap film (n = 1.33) is formed in a loop of wire
that is mounted vertically is not exactly uniform in
thickness because of its weight, but wedge-shaped
in cross section. When the film is illuminated with
the orange light of wavelength 630 nm, one sees
that a distance of 2.60 cm separates two bright
fringes that are 4 orders apart. By how much does
the film differ in thickness over this distance? in
%3D
mico meters.

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