MDCAT Physics MCQ #353

What is the main difference between the emission spectra of atoms and molecules?

MDCAT Physics MCQ #353

Question 1
Q1. What is the main difference between the emission spectra of atoms and molecules?
- A) Number of spectral lines
- B) Wavelength of spectral lines
- C) Intensity of spectral lines
- D) Polarization of spectral lines
Answer: Number of spectral lines
Explanation: Molecules have more spectral lines due to rotational and vibrational modes.