The wavelength of the light which travels from air to water is 436.09 nm
The wavelength of the light in air = 580 nm
The light travels from air to water is
μ = 4/3
The formula to find the wavelength of the light in the air can be found using the formula
ν = c/μ
It can be rewritten as
λₙ = λ₀ / μ
where λₙ is the wavelength of light in water
λ₀ is the wavelength of light in water
μ is the relative refractive index
Let us substitute the known values in the above equation, we get
λₙ = 580 x 10⁻⁹ / 1.333
= 436. 09 nm
Therefore, the wavelength of light in water is 436.09 nm
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