A helium-neon laser (2= 632.8 nm) is used to calibrate a diffraction grating. If the first-order maximum occurs at 20.0°, what is the spacing between adjacent grooves in the grating? (In this problem, assume that the light is incident normally on the grating.) um

A helium-neon laser (2= 632.8 nm) is used to calibrate a diffraction grating. If the first-order maximum occurs at 20.0°, what is the spacing between adjacent grooves in the grating? (In this problem, assume that the light is incident normally on the grating.) um

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter27: Wave Optics

Section: Chapter Questions

Problem 43P

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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 helium-neon laser (2= 632.8 nm) is used to calibrate a diffraction grating. If the first-order maximum occurs at 20.0°, what is the spacing between adjacent grooves in the grating? (In this problem, assume
that the light is incident normally on the grating.)
μm

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