Atoms

39 topics, ranked by how often each is asked.

  • 55 questions
  • 36 papers
  • 3.12% of Physics

Topics

The squares are the last ten exam years: filled means it was asked that year.

Most asked first

39 topics · 55 questions
  1. 1Hydrogen spectrum18%10 questionsPractise Hydrogen spectrum
  2. 2Spectral Series of Hydrogen3.6%2 questionsPractise Spectral Series of Hydrogen
  3. 3Bohr model3.6%2 questionsPractise Bohr model
  4. 4Bohr model and photoelectric effect3.6%2 questionsPractise Bohr model and photoelectric effect
  5. 5Bohr model of hydrogen atom3.6%2 questionsPractise Bohr model of hydrogen atom
  6. 6Alpha-particle scattering3.6%2 questionsPractise Alpha-particle scattering
  7. 7Energy Levels of Hydrogen Atom3.6%2 questionsPractise Energy Levels of Hydrogen Atom
  8. 8Bohr Model: Energy of the Electron3.6%2 questionsPractise Bohr Model: Energy of the Electron
  9. 9Bohr Model and Magnetic Moment1.8%1 questionPractise Bohr Model and Magnetic Moment
  10. 10Bohr's Postulates and Generalized Central Force1.8%1 questionPractise Bohr's Postulates and Generalized Central Force
  11. 11de Broglie Explanation of Bohr's Postulate1.8%1 questionPractise de Broglie Explanation of Bohr's Postulate
  12. 12Atomic Neutrality and Stability1.8%1 questionPractise Atomic Neutrality and Stability
  13. 13Hydrogen Spectral Series (Balmer Series)1.8%1 questionPractise Hydrogen Spectral Series (Balmer Series)
  14. 14Bohr Model of the Hydrogen Atom1.8%1 questionPractise Bohr Model of the Hydrogen Atom
  15. 15Bohr Model – Energy Levels1.8%1 questionPractise Bohr Model – Energy Levels
  16. 16Bohr Model of the Hydrogen Atom – Limitations1.8%1 questionPractise Bohr Model of the Hydrogen Atom – Limitations
  17. 17Bohr Model – Energy of an Electron in an Orbit1.8%1 questionPractise Bohr Model – Energy of an Electron in an Orbit
  18. 18Bohr model - radius of orbit from electron energy1.8%1 questionPractise Bohr model - radius of orbit from electron energy
  19. 19Hydrogen spectrum - spectral series1.8%1 questionPractise Hydrogen spectrum - spectral series
  20. 20Energy level transitions and photon wavelength1.8%1 questionPractise Energy level transitions and photon wavelength
  21. 21Bohr model - total energy of electron in nth orbit1.8%1 questionPractise Bohr model - total energy of electron in nth orbit
  22. 22Bohr model - ionization energy from an excited state1.8%1 questionPractise Bohr model - ionization energy from an excited state
  23. 23Hydrogen spectrum - Lyman series1.8%1 questionPractise Hydrogen spectrum - Lyman series
  24. 24Bohr model - angular momentum quantization and orbit energy1.8%1 questionPractise Bohr model - angular momentum quantization and orbit energy
  25. 25Bohr model - radius of orbits1.8%1 questionPractise Bohr model - radius of orbits
  26. 26Bohr model - muonic hydrogen1.8%1 questionPractise Bohr model - muonic hydrogen
  27. 27Alpha-particle scattering experiment1.8%1 questionPractise Alpha-particle scattering experiment
  28. 28Bohr model - radius and velocity1.8%1 questionPractise Bohr model - radius and velocity
  29. 29Bohr model – energy of electron in an orbit1.8%1 questionPractise Bohr model – energy of electron in an orbit
  30. 30Hydrogen spectrum – series limits1.8%1 questionPractise Hydrogen spectrum – series limits
  31. 31Hydrogen spectrum – Balmer series limit1.8%1 questionPractise Hydrogen spectrum – Balmer series limit
  32. 32Distance of closest approach1.8%1 questionPractise Distance of closest approach
  33. 33Hydrogen spectrum – wavelength of transitions1.8%1 questionPractise Hydrogen spectrum – wavelength of transitions
  34. 34Discharge Through Gases and Atomic Excitation1.8%1 questionPractise Discharge Through Gases and Atomic Excitation
  35. 35Discharge Through Gases1.8%1 questionPractise Discharge Through Gases
  36. 36Energy Levels and Spectral Lines1.8%1 questionPractise Energy Levels and Spectral Lines
  37. 37Bohr Radius of Hydrogen-like Atoms1.8%1 questionPractise Bohr Radius of Hydrogen-like Atoms
  38. 38Energy Levels of Hydrogen-like Atoms1.8%1 questionPractise Energy Levels of Hydrogen-like Atoms
  39. 39Atomic Hydrogen1.8%1 questionPractise Atomic Hydrogen

Questions per paper

Asked in 15 of the last 16 papers (2017–2026).

  1. 2026: 1 question
  2. 2026 Re-NEET: 2 questions
  3. 2025: 3 questions
  4. 2024: 2 questions
  5. 2024 Re-NEET: 2 questions
  6. 2023: 2 questions
  7. 2023 Manipur: 3 questions
  8. 2022: 1 question
  9. 2022 Phase 2: 1 question
  10. 2021: not asked
  11. 2020: 1 question
  12. 2020 Phase-2: 1 question
  13. 2019: 1 question
  14. 2019 Odisha: 1 question
  15. 2018: 1 question
  16. 2017: 1 question

Concepts tested

  • Number of spectral lines 3
  • Distance of closest approach 2
  • Kinetic energy equals minus total energy 2
  • Longest wavelength of spectral series 2
  • Rydberg formula 2
  • Adding photon energies of transitions
  • Alpha-particle scattering experiment
  • Atomic hydrogen recombines rapidly
  • balmer-lyman-series-limit
  • balmer-series-limit-wave-number
  • Bohr model - angular momentum quantization and orbit energy
  • Bohr model - ionization energy from an excited state
  • Bohr model - muonic hydrogen
  • Bohr model - radius and velocity
  • Bohr model - radius of orbits
  • Bohr model - total energy of electron in nth orbit
  • Bohr Quantization with Power-Law Potentials
  • Bohr's quantisation condition