Physics (10th Edition)

Published by Wiley
ISBN 10: 1118486897
ISBN 13: 978-1-11848-689-4

Chapter 24 - Electromagnetic Waves - Problems - Page 694: 7

Answer

11.118 m

Work Step by Step

For an electromagnetic wave $c=f\lambda$ where $c$ is the speed of light (equal to $2.9979\times10^{8}\,m/s$), $f$ is the frequency and $\lambda$ is the wavelength of the electromagnetic wave. Given, $f=26.965\,MHz=26.965\times10^{6}\,Hz$ $\implies \lambda=\frac{c}{f}=\frac{2.9979\times10^{8}}{26.965\times10^{6}}=11.118\,m$
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