The wavelength of red light is measured to be 628 nm, in oil liquid of index of refraction 1.42. What is the frequency of this light? (Give your answer in scientific notation using "Hz" (Hertz) as unit)
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The wavelength of red light is measured to be 628 nm, in oil liquid of index of refraction 1.42. What is the frequency of this light? (Give your answer in scientific notation using "Hz" (Hertz) as unit)
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