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Physics, 27.10.2021 18:00 lilpetals

A laser emits a light beam with a wavelength of 630 nm. The jet passes a liquid with a refractive index of 1.3. What is the wavelength of the light beam in the liquid?

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A laser emits a light beam with a wavelength of 630 nm. The jet passes a liquid with a refractive in...
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