We are being asked to calculate the frequency of blue light with a wavelength equal to 470 nm.
Wavelength, frequency, and the speed of light are connected by the following equation:
c = speed of light, m/s
λ = wavelength, in m
ν = frequency, Hz (Hertz)
We can rearrange the equation to isolate the frequency (v):
The wavelength of some blue light is 470.0 nm. What is the frequency of this blue light?
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