Line Spectra and Atomic Physics Quiz
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Questions and Answers

Which type of spectrum consists of distinct lines?

  • Absorption spectrum
  • Line spectrum (correct)
  • Emission spectrum
  • Continuous spectrum
  • What happens to the electron in an atom when it emits light of specific wavelengths?

  • The electron jumps from lower energy level to higher energy level
  • The electron remains in the same energy level
  • The electron jumps from higher energy level to lower energy level (correct)
  • The electron disappears
  • How can line spectrum be produced?

  • By passing a gas through electric discharge tube at high pressure
  • By cooling gaseous or solid atoms
  • By heating gaseous or solid atoms
  • By passing a gas through electric discharge tube at low pressure (correct)
  • What does the line spectrum serve as for identification of elements?

    <p>A fingerprint</p> Signup and view all the answers

    What does the line spectrum of sodium look like?

    <p>Two yellow lines separated by a definite distance</p> Signup and view all the answers

    Which type of spectrum consists of distinct lines separated by dark spaces?

    <p>Line spectrum</p> Signup and view all the answers

    Which of the following represents the energy difference between the excited and ground state of an atom?

    <p>Wavelengths</p> Signup and view all the answers

    What happens to the electrons in an atom when it emits light of specific wavelengths?

    <p>They jump from lower energy level to higher energy level</p> Signup and view all the answers

    How can line spectrum be produced?

    <p>By passing a gas through an electric discharge tube at low pressure</p> Signup and view all the answers

    What does the line spectrum of an element serve as?

    <p>A fingerprint for identification of elements</p> Signup and view all the answers

    Study Notes

    Line Spectrum

    • A line spectrum consists of distinct lines, produced when electrons in an atom transition from a higher energy level to a lower energy level, emitting light of specific wavelengths.

    Electron Energy Transitions

    • When an electron in an atom emits light of specific wavelengths, it transitions from a higher energy level to a lower energy level, releasing energy in the form of photons.

    Producing Line Spectra

    • Line spectra can be produced by heating an element, causing the electrons to transition from a higher energy level to a lower energy level, emitting light of specific wavelengths.

    Identification of Elements

    • The line spectrum of an element serves as a unique identifier, allowing for the identification of elements based on their distinct line spectra.

    Sodium's Line Spectrum

    • The line spectrum of sodium appears as a yellow doublet, characteristic of sodium.

    Discrete Spectrum

    • A discrete spectrum consists of distinct lines separated by dark spaces.

    Energy Difference

    • The energy difference between the excited and ground state of an atom represents the energy emitted or absorbed during an electron transition.

    Electron Transitions

    • When electrons in an atom emit light of specific wavelengths, they transition from a higher energy level to a lower energy level, releasing energy in the form of photons.

    Line Spectrum Significance

    • The line spectrum of an element serves as a unique fingerprint, allowing for the identification of elements based on their distinct line spectra.

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    Description

    Test your knowledge of line spectra and their significance in atomic physics with this quiz! Learn about the distinct lines and specific wavelengths of electromagnetic radiation emitted or absorbed by atoms, as well as the energy level transitions that cause these emissions.

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