身近な科学
Why is the sky blue?
If wave speed is fixed, doubling frequency halves wavelength because v = fλ.
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短い答え
If wave speed is fixed, doubling frequency halves wavelength because v = fλ.
本当は何が起きている？
Hydrogen emits discrete spectral lines because electrons change between quantized energy states.
役立つイメージ
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Visible light interacts with molecules in the atmosphere. Shorter visible wavelengths are scattered more strongly, which is why the daytime sky usually looks blue.