When a cool gas is placed between a glowing wire filament source and a diffraction grating, the resultant spectrum from the grating is which one of the following?
A) line emission
B) continuous
C) line absorption
D) monochromatic

Question

Quizplus · Accepted Answer

The cool gas absorbs specific wavelengths of light from the continuous spectrum of the glowing wire filament, resulting in a line absorption spectrum.

When a Cool Gas Is Placed Between a Glowing Wire