GRE Physics Domain 6: Atomic Physics Welcome to your GRE Physics Domain 6: Atomic Physics 1. GRE Physics: Atomic Physics In the context of quantum mechanics, which principle states that it is impossible to simultaneously know both the exact momentum and position of a particle? A. Heisenberg Uncertainty Principle B. Pauli Exclusion Principle C. Bohr's Correspondence Principle D. Planck's Quantization Principle None 2. GRE Physics: Atomic Physics Which phenomenon demonstrates the wave-particle duality of electrons? A. Rutherford scattering B. Electron diffraction C. Photoelectric effect D. Compton scattering None 3. GRE Physics: Atomic Physics In a hydrogen atom, which electronic transition corresponds to the emission of the longest wavelength photon? A. n=2 to n=1 B. n=3 to n=2 C. n=3 to n=1 D. n=2 to n=3 None 4. GRE Physics: Atomic Physics In atomic physics, what does the fine structure of spectral lines primarily result from? A. Doppler effect B. Zeeman effect C. Spin-orbit coupling D. Hyperfine splitting None 5. GRE Physics: Atomic Physics Which type of quantum numbers are used to describe the state of an electron in an atom? A. Principal, azimuthal, magnetic, and spin B. Kinetic, potential, total energy, and angular momentum C. Mass, charge, velocity, and spin D. Frequency, wavelength, amplitude, and phase None 6. GRE Physics: Atomic Physics What happens to the energy levels of an atom in a strong magnetic field (Zeeman effect)? A. They remain unchanged. B. They split into multiple closely spaced levels. C. They converge into a single level. D. They become continuous. None 7. GRE Physics: Atomic Physics Which principle explains the stability of the electron in an atom, preventing it from falling into the nucleus? A. Pauli Exclusion Principle B. Heisenberg Uncertainty Principle C. Coulomb's Law D. Conservation of energy None 8. GRE Physics: Atomic Physics What is the primary cause of hyperfine splitting in atomic spectra? A. Interaction between the nuclear spin and the electron cloud. B. The relativistic effect of high electron velocity. C. The effect of external electric fields on atomic energy levels. D. Collisions between atoms. None 9. GRE Physics: Atomic Physics What is the primary effect observed in the Stern-Gerlach experiment? A. The splitting of an atomic beam into discrete components due to the interaction of atomic magnetic moments with a magnetic field. B. The deflection of alpha particles when they pass near a nucleus. C. The interference pattern formed by electrons passing through a double slit. D. The emission of photons when electrons transition between energy levels. None 10. GRE Physics: Atomic Physics In atomic physics, what does the fine structure of spectral lines primarily result from? A. Doppler effect B. Zeeman effect C. Spin-orbit coupling D. Hyperfine splitting None 1 out of 10 Time is Up! Time's up
