λf = c = 2.998e8 m/s (speed of light in vacuum)
2.997e8 m/s in air
λ = Wavelength in meters
f = frequency in Hz
λ = 2.998e8 / 2.2e8 = 1.36 meters
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λf = c = 2.998e8 m/s (speed of light in vacuum)
2.997e8 m/s in air
λ = Wavelength in meters
f = frequency in Hz
λ = 2.998e8 / 2.2e8 = 1.36 meters