   Chapter 27, Problem 25PE

Chapter
Section
Textbook Problem

Calculate the wavelength of light that has its second-order maximum at 45.0° when falling on a diffraction grating that has 5000 lines per centimeter.

To determine

The wavelength of light that has its second-order maximum at when falling on a diffraction grating that has 5000 lines per centimeter.

Explanation

Given info:

The wavelength of light that has its second-order maximum at when falling on a diffraction grating that has 5000 lines per centimeter.

Formula used:

For diffraction grating,

dsinθ=mλ

Here, d is the distance between slits, λ is the wavelength of light, m is the order of the maximum and θ is the angle from the original direction of the beam.

Calculation:

We have, d=15000slits/cm×1m100cm=2×10

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