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Results tagged with wavelength
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user 927
The wavelength of a sinusoidal wave is the spatial period of the wave—the distance over which the wave's shape repeats, and the inverse of the spatial frequency or wavenumber. Determined by considering the distance between consecutive corresponding points of the same phase, such as crests. Use for wavenumber, wavelength, frequency.
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Does light change color on its way through a window? [duplicate]
Then the speed of light $x$ through light should be given by
$$ 1.6 = \frac{3.0\times10^8}{x}, $$
so $x$ is about $2\times10^8~\mathrm{m}~\mathrm{s}^{-1}$
The frequency is kept constant, so the wavelength … must adapt to suit the slower speed, giving a wavelength of $2/3$ the original. …
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