   Chapter 27, Problem 33PE

Chapter
Section
Textbook Problem

At what angle does a diffraction grating produces a second-order maximum for light having a first-order maximum at 20.0°?

To determine

The angle of a diffraction grating that produces a second order maximum for light having a first order maximum at 20ο

Explanation

Given info:

A diffraction grating that produces a second order maximum for light having a first order maximum at 20ο

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:

For first order maximum,

dsinθ1=λ

For second order maximum,

dsinθ2=2λ

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