# joules to wavelength calculator

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\u00a9 2023 wikiHow, Inc. All rights reserved. The next equation we need to consider is the Planck-Einstein relation: Manipulation of the formulas is then required. f = 4.5 GHz = 4.5 x 10^9 Hz (Hz = s^-1) wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This article has been viewed 1,472,820 times. If you know the the energy of a quantum in electron-volts, the easiest way to get the wavelength in ngstroms or meters is to first convert the energy to joules. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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