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Give me a standpoint and I will move the earth. ...Archimedes (287-212BC)
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Author Topic: Question regarding waves.  (Read 4943 times)
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leeyiren
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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?
 Huh Huh
Pls include explanation. Thanks.
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Fu-Kwun Hwang
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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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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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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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