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leeyiren
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 « Embed this message on: January 10, 2010, 05:13:23 am »

When water wave flows from shallow water into deep water, how do the frequency, wavelength and speed change?

Pls include explanation. Thanks.
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Fu-Kwun Hwang
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 « Embed this message Reply #1 on: January 11, 2010, 01:59:17 pm » posted from:Taipei,T\'ai-pei,Taiwan

The frequency of the same wave is always the same.
However, the speed of wave travel in different material is different.

The refraction index of light in a material is defined as speed of light $c$ divide by light speed in that material $v$, i.e. $n=\frac{c}{v}$
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leeyiren
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 « Embed this message Reply #2 on: January 11, 2010, 06:12:44 pm »

how do they change? increase or decrease? pls be more clear. thx
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Fu-Kwun Hwang
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 « Embed this message Reply #3 on: January 11, 2010, 08:20:10 pm » posted from:Taipei,T\'ai-pei,Taiwan

Are you talking about wave move on the water surface or wave traveling under the water surface (in the depth water)?
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There is a better way to do it; find it. ..."Thomas Edison(1847-1931, American inventor, 1093 patients)"

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