Light from a distant star shows three prominent dark absorption lines at wavelengths…
CHEMISTRY · Single correct · CBSE · Chemistry · Structure of Atom · Structure of Atom
Problem
Light from a distant star shows three prominent dark absorption lines at wavelengths of 656 nm, 486 nm, and 434 nm. Which element are these lines most likely associated with in the star’s outer atmosphere?
(a) Helium
(b) Oxygen
(c) Hydrogen
(d) Calcium