Question

what is spectrum?Define line and absorption spectrum?
​

Answer 1

Answer:

In geometry, a line can be defined as a straight one- dimensional figure that has no thickness and extends endlessly in both directions. It is often described as the shortest distance between any two points. Here, P and Q are points on the line. Fun Facts. A line segment is only a part of a line.

Explanation:

please follow me

Answer 2

Answer:

an electromagnetic spectrum in which a decrease in intensity of radiation at specific wavelengths or ranges of wavelengths characteristic of an absorbing substance is manifested especially as a pattern of dark lines or bands.