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Photon Energy to Wavelength Calculator for Electromagnetic Waves in a Vacuum

Calculate Wavelength of EM Wave in a Vacuum
Photon Energy (E) [?]
Wavelength (λ) [?]

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Contents

  • Related Tools
  • User Guide
    • Formula
      • Symbols
    • Photon Energy
    • Wavelength

Related Tools

  • Wavelength to energy calculation
  • Frequency to energy calculation
  • Energy to frequency calculation
  • Wavelength to frequency calculation
  • Frequency to wavelength calculation
  • Frequency converter
  • Energy converter

User Guide

Calculate the wavelength of an electromagnetic wave in a vacuum by entering a value for the corresponding energy per photon for the em wave.

Electromagnetic waves are divided up into regions of what is called the electromagnetic spectrum. Starting with the highest frequencies, the spectrum is made up of gamma rays,  x rays, ultraviolet, visible light, infra-red, microwave, and radio waves. This energy per photon to wavelength calculator can be used for all types of waves in the electromagnetic spectrum.

Enter the energy value per photon, along with selecting the relevant energy measurement units, and then select the required wavelength measurement units to calculate the corresponding em wavelength. The result will then be displayed in the answer box along with a dynamic conversion scale to show how wavelength varies for different photon energies, above and below the entered value.

Formula

The formula used to calculate the wavelength of an electromagnetic wave is:

λ = h · c0 / E

Symbols

  • λ = Wavelength of EM wave
  • h = Planck constant
  • c0 = Speed of light in a vacuum
  • E = Photon energy

Photon Energy

Enter the energy per photon for the electromagnetic wave.  This is the energy possessed by a single photon, oscillating at the specified wave frequency, as it propagates through a medium at the speed of light.

Wavelength

This is the distance of one complete cycle of oscillation, for an electromagnetic wave, produced by a photon propagating through a vacuum.

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