Chemistry 10th Edition

Published by Brooks/Cole Publishing Co.
ISBN 10: 1133610668
ISBN 13: 978-1-13361-066-3

Chapter 4 - The Structure of Atoms - Exercises - Electromagnetic Radiation - Page 167: 54

Answer

(a) $3.34\times10^{14}\,s^{-1}$ (b) $6.79\times10^{14}\,s^{-1}$ (c) $6.10\times10^{9}\,s^{-1}$ (d) $6.59\times10^{18}\,s^{-1}$

Work Step by Step

(a) Frequency $\nu=\frac{c}{\lambda}$ where $c$ is the speed of light and $\lambda$ is the frequency. That is, $\nu= \frac{3.00\times10^{8}m/s}{8973\times10^{-10}\,m}=3.34\times10^{14}\,s^{-1}$ (b) $\nu= \frac{3.00\times10^{8}m/s}{442\times10^{-9}\,m}=6.79\times10^{14}\,s^{-1}$ (c) $\nu= \frac{3.00\times10^{8}m/s}{4.92\times10^{-2}\,m}=6.10\times10^{9}\,s^{-1}$ (d) $\nu= \frac{3.00\times10^{8}m/s}{4.55\times10^{-9}\times10^{-2}\,m}=6.59\times10^{18}\,s^{-1}$
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