Wavelength-Frequency Relationship

Wavelength-Frequency Relationship

RN-04
ASPCSPFoundational

Formula
c = λ × f
When to Use

Relate wavelength and frequency of electromagnetic radiation using the speed of light.

Symbol Legend
SymbolMeaningUnitNote
cSpeed of light3 × 10¹⁰ cm/sConstant
λWavelengthcm
fFrequency )cycles per second (Hz
TPeriodsecondsT = 1/f

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