University Physics with Modern Physics (14th Edition)

Published by Pearson
ISBN 10: 0321973615
ISBN 13: 978-0-32197-361-0

Chapter 33 - The Nature and Propagation of Light - Problems - Exercises - Page 1105: 33.5


a. 1.55. b. 550nm.

Work Step by Step

a. $n=\frac{c}{v}=\frac{3.00\times10^8m/s }{1.94\times10^8m/s }=1.55$. b. The wavelength in quartz is shorter by a factor of n. Find the wavelength in air. $$\lambda_q=\frac{\lambda_0 }{1.55}=355nm $$ $$\lambda_0=(1.55)(355nm)=550nm$$
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