College Physics (7th Edition)

Published by Pearson
ISBN 10: 0-32160-183-1
ISBN 13: 978-0-32160-183-4

Chapter 27 - Quantum Physics - Learning Path Questions and Exercises - Multiple Choice Questions - Page 933: 5

Answer

(b) it stays the same

Work Step by Step

Stopping voltage V is a voltage corresponding to the maximum kinetic energy of the electron eV . Since in photoelectric effect maximum kinetic energy of the photoelectron does not depend upon the intensity of light (rather it depends upon frequency of light) , stopping voltage remains same on increase of intensity of light.
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