Wavelength - Frequency - Wave Number - Photon Energy Conversion
Quickly convert the commonly used physical quantity units in the field of optics
Enter the value and select the unit, then click "Convert" to obtain the other three corresponding values.
Wave length
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WN
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Frequency
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Energy
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Formula Explanation：
Frequency ν = c / λ
WN k = 1 / λ
Energy E = hν
thereinto c = 3×108 m/s。