Light of wavelength of 550nm is incident perpendicularly on a diffraction grating. The angle between the two first-order diffraction maxima on opposite sides of the zeroth-order maximum is 20°. What is the grating spacing?

Light of wavelength of 550nm is incident perpendicularly on a diffraction grating. The angle between the two first-order diffraction maxima on opposite sides of the zeroth-order maximum is 20°. What is the grating spacing?

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

Light of wavelength of 550nm is incident perpendicularly on a
diffraction grating. The angle between the two first-order diffraction
maxima on opposite sides of the zeroth-order maximum is 20°.
What is the grating spacing?

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