   Chapter 27, Problem 39PE

Chapter
Section
Textbook Problem

The analysis shown in the figure below also applies to diffraction gratings with lines separated by a distance d. What is the distance between fringes produced by a diffraction grating having 125 lines per centimeter for 600-nm light, if the screen is 1.50 m away? To determine

What is the distance between fringes produced by a diffraction grating having 125 lines per centimeter for 600-nm light, if the screen is 1.50 m away; the analysis shown in the figure below also applies to diffraction gratings with lines separated by a distance d.? Explanation

Given info:

λ=600nmN=125 lines/cmx=1.50m

Formula used:

Distance between fringes,

Δy=xλd

Calculation:

Let us find slit separation,

N=125lines/cmd=1

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