Materials Science and Engineering: An Introduction

Published by Wiley
ISBN 10: 1118324579
ISBN 13: 978-1-11832-457-8

Chapter 21 - Optical Properties - Questions and Problems - Page 866: 21.1

Answer

$\nu = 6*10^{14}$ Hz $E = 3.98*10^{-19}$ J

Work Step by Step

Given: $\lambda = 5*10^{-7}$ m $c = \lambda \nu$ $\nu = c/\lambda$ where $c = 3*10^8$ m/s $E = h\nu$ where $h = 6.626*10^{-34}$ J*s Thus: $\nu = 6*10^{14}$ Hz $E = 3.98*10^{-19}$ J
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