Question

define line spectrum​

Answer 1

a spectrum that consists of narrow, dark, parallel lines on a brightly colored background, produced from a hot light source surrounded by cooler gases that absorb and thus remove certain wavelengths: used to determine the chemical composition of a gas, star, etc.❤

Answer 2

line spectrum. An image of colored lines or bands of light formed in optical spectroscopy, each line representing one of the frequencies in the spectrum of a light source. The light source is usually broken into individual bands by a prism or a diffraction grating.