Light and photon energy Transitional Reasoning Practice

Chemistry · Atomic Structure · Chemistry · Electrons in Atoms

1 Chemistry practice questions on Light and photon energy. Questions that build towards applied reasoning.

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Questions

  1. 1.

    In an atomic spectroscopy experiment, a student analyzes three distinct electronic transitions in an atom that emit monochromatic light at wavelengths of 300 nm (Transition 1), 450 nm (Transition 2), and 600 nm (Transition 3). The student seeks to determine how the wave properties of these emissions relate to the energy released per photon. Based on the fundamental relationships between wavelength, frequency, and photon energy, which conclusion is correct?

    • A) Transition 3 releases photons with the highest frequency because photon energy is directly proportional to wavelength.
    • B) Transition 2 emits photons with twice the energy of Transition 1 because energy decreases linearly as frequency increases.
    • C) Transition 1 emits photons with the lowest energy because shorter wavelengths correspond to lower frequencies.
    • D) Transition 1 emits photons with the greatest energy because photon energy is inversely proportional to wavelength and directly proportional to frequency.

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