-Diagram 6-2 illustrates a light source, a gas cloud, and three different lines of sight. Along which line of sight would an observer see an absorption spectrum
A)1
B)2
C)3
D)2 and 3
E)none of them

Question

-Diagram 6-2 illustrates a light source, a gas cloud, and three different lines of sight. Along which line of sight would an observer see an absorption spectrum
A)1 
B)2 
C)3 
D)2 and 3 
E)none of them

Quizplus · Accepted Answer

An absorption spectrum is observed when light from a source passes through a gas cloud, and the gas absorbs certain wavelengths. Line of sight 3 is the only one that passes through the gas cloud, allowing for the absorption of specific wavelengths and resulting in an absorption spectrum.

-Diagram 6-2 Illustrates a Light Source, a Gas Cloud, and Three