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apple_pi Group TitleBest ResponseYou've already chosen the best response.0
can you give a reference because I've heard both yes and no
 2 years ago

Compassionate Group TitleBest ResponseYou've already chosen the best response.1
"The most obvious category of electromagnetic wavelengths not absorbed by the atmosphere is visible light, with amplitudes between about 300 and 700 nm." http://www.wisegeek.com/whichelectromagneticwavelengthscanpassthroughtheatmosphere.htm
 2 years ago

apple_pi Group TitleBest ResponseYou've already chosen the best response.0
This was in my exam, I put yes for shorter wavelengths, no for longer wavelengths as shown in this image. Is that right?
 2 years ago

RaphaelFilgueiras Group TitleBest ResponseYou've already chosen the best response.0
http://en.wikipedia.org/wiki/Ionosphere
 2 years ago

RaphaelFilgueiras Group TitleBest ResponseYou've already chosen the best response.0
yes this is rigth
 2 years ago

apple_pi Group TitleBest ResponseYou've already chosen the best response.0
Thanks for that
 2 years ago

apple_pi Group TitleBest ResponseYou've already chosen the best response.0
IR? isnt that for radio
 2 years ago

apple_pi Group TitleBest ResponseYou've already chosen the best response.0
I meant isn't the reflection property only for radio waves?
 2 years ago

apple_pi Group TitleBest ResponseYou've already chosen the best response.0
Ok thank you
 2 years ago
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