Waves and Penetration

  • #1
Bassel AbdulSabour
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Why do radio waves pass through walls while visible light can't?
I guess this has something to do wit the wavelength. What I know is that higher wavelength means higher ability of penetration. So why radio waves penetrate obstacles?
 

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  • #2
Bystander
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I know is that higher wavelength means higher ability of penetration. So why radio waves penetrate obstacles?
Think about what you've just said; do you still have a question?:wink:
 
  • #3
sophiecentaur
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something to do wit the wavelength.
Actually it's both the frequency and the thickness of the wall in wavelengths. The electrons in the wall will interact very differently at different EM frequencies, depending on the actual material used and you can either get reflection or absorption of a wave. In general, though, you can say (obvs) that a thicker wall will screen better than a thin one.
 

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