Q. Line spectra are due to
A) Hot solids
B) Atoms in gaseous state
C) Molecules in gaseous state
D) Liquid at low temperature
Explanation
The correct answer is Option B: Atoms in gaseous state.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.