A red laser (λ = 656 nm) is incident on a diffraction grating that has n = 1100 lines per cm. Randomized Variablesλ = 656 nm n = 1100 lines/cm Part (a) What is the angle, in radians, that the first order maximum makes, θ1? Part (b) What is the angle of the fourth order maximum, θ4, in radians?

A red laser (λ = 656 nm) is incident on a diffraction grating that has n = 1100 lines per cm. Randomized Variablesλ = 656 nm n = 1100 lines/cm Part (a) What is the angle, in radians, that the first order maximum makes, θ1? Part (b) What is the angle of the fourth order maximum, θ4, in radians?

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 8P

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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 red laser (λ = 656 nm) is incident on a diffraction grating that has n = 1100 lines per cm.

Randomized Variablesλ = 656 nm
n = 1100 lines/cm

Part (a) What is the angle, in radians, that the first order maximum makes, θ₁?

Part (b) What is the angle of the fourth order maximum, θ₄, in radians?

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