MDCAT Physics MCQ #339

Why are spectral lines from the same element different in solids vs. gases?

MDCAT Physics MCQ #339

  1. Question 1

    Q1. Why are spectral lines from the same element different in solids vs. gases?

    • A) Solid-state interactions shift energy levels
    • B) Gases absorb more photons
    • C) Solids emit continuous spectra only
    • D) Gas pressure increases line width

    Answer: Solid-state interactions shift energy levels

    Explanation: Interatomic forces in solids alter energy levels; C fails as solids have both line and continuous spectra.