Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 38 - Photons and Matter Waves - Questions - Page 1180: 2b

Answer

Maximum photoelectric current does depend on the intensity of the incident light.

Work Step by Step

- Intensity of light is the number of photons striking a surface per unit area. - Photoelectric current is the number of electrons travelling from one plate to another due to energy provided to them by the ray incident on the first plate. Now, if the number of electrons travelling from one plate to another (or the photoelectric current) are more, then the number of electrons striking the second plate (or the intensity of incident light) will be more. Therefore, the intensity of incident ray depends on the maximum photoelectric current.
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