Answer
$2.00\times 10^{-11}m$
Work Step by Step
We can find the required wavelength as follows:
$\lambda=\frac{c}{f}$
We plug in the known values to obtain:
$\lambda=\frac{3\times 10^8m/s}{1.50\times 10^{19}Hz}$
$\lambda=2.00\times 10^{-11}m$
Physics Technology Update (4th Edition)
by Walker, James S.
Published by
Pearson
ISBN 10:
0-32190-308-0
ISBN 13:
978-0-32190-308-2
Chapter 25 - Electromagnetic Waves - Problems and Conceptual Exercises - Page 904: 85
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