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The wavelength of light in a medium is l...

The wavelength of light in a medium is `lamda=lamda_0/mu` where `lamda` is the wavelength in vacuum. A beam of red light `(lamda_0=720 nm)` enters into water The wavelength in water is `lamda=lamda_0/mu=540 nm.` To a person under water does this light appear green?

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