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Author Question: A neon light (thin hot neon gas in a sealed tube) gives us: A) a continuous spec (Read 2011 times)

plus1

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on: Aug 28, 2013
A neon light (thin hot neon gas in a sealed tube) gives us:
A) a continuous spectrum, since the neon is hot enough to glow.
B) a few bright emission lines, telling us the gas is neon.
C) a continuum, with dark lines identifying the neon atoms are present.
D) a lot of random bright red lines due to the motion of the hot atoms.
E) nothing visible to us, but a hot of infrared lines as heat.


notis

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Reply #1 on: Aug 28, 2013
I know the answer! It's B.


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