MDCAT Physics MCQ #346

What is the main difference between the emission spectra of hydrogen and helium?

MDCAT Physics MCQ #346

Question 1
Q1. What is the main difference between the emission spectra of hydrogen and helium?
- 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: Hydrogen has fewer spectral lines due to fewer energy levels. Helium has more.