Новое решение
en/12.2.2.md
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| + | ### Statement | ||
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| + | $12.2.2.$ [Insert the problem statement] | ||
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| + | ### Solution | ||
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| + | $12.2.2$. How do the wavelength and wave speed change when a wave transitions into a medium with refractive index $n$? Does the frequency of the wave change? | ||
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| + | #### Answer | ||
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| + | [Insert a concise answer or boxed result] | ||
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| ### Statement | |||
| $12.2.2.$ [Insert the problem statement] | |||
| ### Solution | |||
| $12.2.2$. How do the wavelength and wave speed change when a wave transitions into a medium with refractive index $n$? Does the frequency of the wave change? | |||
| #### Answer | |||
| [Insert a concise answer or boxed result] | |||