A low-density tube of neon gas at room temperature is placed in front of a hot metal rod.An observer will find:
A) a continuous spectrum.
B) an emission line spectrum.
C) an absorption line spectrum.
D) no light.

Question

Quizplus · Accepted Answer

When a low-density tube of neon gas is placed in front of a hot metal rod, the neon atoms absorb light at certain wavelengths, creating dark lines in the otherwise continuous spectrum of the hot metal rod. This results in an absorption line spectrum.

A Low-Density Tube of Neon Gas at Room Temperature Is