Answer
(c) square of the amplitude
Work Step by Step
Intensity is directly proportional to Energy,
Since, energy is directly proportional to square of amplitude,
Intensity is directly proportional to square of amplitude.
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.