Absoprtion line spectrum

  • Thread starter aerogurl2
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  • #1
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hi guys, i am having trouble with a problem. it's as goes:
if you heat a rock until it glows, its spectrum will be:
(a) a thermal radiation spectrum
(b) an absoprtion line spectrum
(c) an emission line spectrum

I think it's thermal radiation spectrum because it seems like the rock is retaining heat thus making it glow. but i'm not sure. can someon please help me. thanks.
 

Answers and Replies

  • #2
berkeman
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You are correct. It will be giving off broad spectrum "black body" thermal radiation.

Quiz Question -- what physical mechanism results in absorption and emission "line" spectra?
 
  • #3
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i don't really know. i just know thermal is heat and that's why the rock heats up.
 

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