College Physics (4th Edition)

Published by McGraw-Hill Education
ISBN 10: 0073512141
ISBN 13: 978-0-07351-214-3

Chapter 25 - Section 25.5 - Gratings - Checkpoint - Page 960: 25.5


The intensity will vary gradually between maxims and minims, and the maxims are narrow.

Work Step by Step

The maxima due to grating are much brighter which create constructive interference due to many slits rather than just two slits. The widths of the maxima are inversely proportional to the number of slits, so for a grating with many slits; the maxima are very narrow.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.