MDCAT Physics MCQ #338

What determines the intensity of a spectral line?

MDCAT Physics MCQ #338

  1. Question 1

    Q1. What determines the intensity of a spectral line?

    • A) Number of atoms in the excited state
    • B) Speed of light
    • C) Atomic mass
    • D) Container material

    Answer: Number of atoms in the excited state

    Explanation: Population of excited atoms affects intensity; B fails as light speed is constant.