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The wavelength of light coming from a sodium source is 589 nm. What will be its wavelength in the water?

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In physics, physical optics, or wave optics, is the branch of optics that studies interference, diffraction, polarization, and other phenomena for which the ray approximation of geometric optics is not valid.


The wavelength of light coming from a sodium source is 589 nm. What will be its wavelength in the water?






 
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