Asked by stephanie

What is the frequency of light with a wavelength of 20 nm
Answered by oobleck
fλ = v
what is the speed of light?
Answered by henry2,
WL = V/F = 2*10^-8
3*10^8/F = 2*10^-8
F = 1.5*10^16 Hz.
Answered by Richard helit
What is that in hertz in non scientific terms?
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