A pair of narrow, parallel slits separated by 0.250 mm is illuminated by the green component from a mercury vapor lamp (A = 546.1 nm). The interference pattern is observed on a screen l.20 m from the plane of the parallel slits. Calculate the distance (a) from the cen- tral maximum to the first bright region on either side of the central maximum and (b) between the first and second dark bands in the interference pattern.

A pair of narrow, parallel slits separated by 0.250 mm is illuminated by the green component from a mercury vapor lamp (A = 546.1 nm). The interference pattern is observed on a screen l.20 m from the plane of the parallel slits. Calculate the distance (a) from the cen- tral maximum to the first bright region on either side of the central maximum and (b) between the first and second dark bands in the interference pattern.

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

3. A pair of narrow, parallel slits separated by 0.250 mm
is illuminated by the green component from a mercury
vapor lamp ( = 546.1 nm). The interference pattern
is observed on a screen 1.20 m from the plane of the
parallel slits. Calculate the distance (a) from the cen-
tral maximum to the first bright region on either side
of the central maximum and (b) between the first and
second dark bands in the interference pattern.

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