Dual Nature of Radiation and Matter

40 topics, ranked by how often each is asked.

  • 82 questions
  • 38 papers
  • 4.65% of Physics

Topics

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

Topics

40 topics · 82 questions
  1. 1de Broglie Wavelength17%14 questionsPractise de Broglie Wavelength
  2. 2Experimental Study of Photoelectric Effect1.2%1 questionPractise Experimental Study of Photoelectric Effect
  3. 3Properties of Photon1.2%1 questionPractise Properties of Photon
  4. 4Cut-off Wavelength of X-rays1.2%1 questionPractise Cut-off Wavelength of X-rays
  5. 5Photoelectric Effect16%13 questionsPractise Photoelectric Effect
  6. 6Photoelectric Effect – Stopping Potential3.7%3 questionsPractise Photoelectric Effect – Stopping Potential
  7. 7Particle Nature of Light – Photon1.2%1 questionPractise Particle Nature of Light – Photon
  8. 8Photoelectric Effect and de Broglie Wavelength2.4%2 questionsPractise Photoelectric Effect and de Broglie Wavelength
  9. 9Photoelectric Effect – Threshold Frequency1.2%1 questionPractise Photoelectric Effect – Threshold Frequency
  10. 10de Broglie Relation2.4%2 questionsPractise de Broglie Relation
  11. 11Wave-particle duality, photoelectric and Compton effect1.2%1 questionPractise Wave-particle duality, photoelectric and Compton effect
  12. 12Photoelectric effect - threshold wavelength and work function1.2%1 questionPractise Photoelectric effect - threshold wavelength and work function
  13. 13Photoelectric effect - Einstein's photoelectric equation1.2%1 questionPractise Photoelectric effect - Einstein's photoelectric equation
  14. 14de Broglie wavelength of electron from kinetic energy1.2%1 questionPractise de Broglie wavelength of electron from kinetic energy
  15. 15Experimental verification of matter waves1.2%1 questionPractise Experimental verification of matter waves
  16. 16de Broglie wavelength of an accelerated electron1.2%1 questionPractise de Broglie wavelength of an accelerated electron
  17. 17Photoelectric effect - Einstein's equation3.7%3 questionsPractise Photoelectric effect - Einstein's equation
  18. 18Einstein's photoelectric equation12%10 questionsPractise Einstein's photoelectric equation
  19. 19Threshold wavelength1.2%1 questionPractise Threshold wavelength
  20. 20Photocurrent and stopping potential - effect of intensity1.2%1 questionPractise Photocurrent and stopping potential - effect of intensity
  21. 21Threshold wavelength and stopping potential1.2%1 questionPractise Threshold wavelength and stopping potential
  22. 22Momentum of photon and electron1.2%1 questionPractise Momentum of photon and electron
  23. 23de Broglie wavelength of accelerated electron1.2%1 questionPractise de Broglie wavelength of accelerated electron
  24. 24de Broglie wavelength of thermal neutrons1.2%1 questionPractise de Broglie wavelength of thermal neutrons
  25. 25Photoelectric effect – stopping potential and threshold wavelength1.2%1 questionPractise Photoelectric effect – stopping potential and threshold wavelength
  26. 26de Broglie wavelength – electron vs photon1.2%1 questionPractise de Broglie wavelength – electron vs photon
  27. 27X-ray cut-off wavelength and de Broglie wavelength1.2%1 questionPractise X-ray cut-off wavelength and de Broglie wavelength
  28. 28Photon picture of radiation1.2%1 questionPractise Photon picture of radiation
  29. 29Davisson and Germer experiment1.2%1 questionPractise Davisson and Germer experiment
  30. 30Photon picture of light3.7%3 questionsPractise Photon picture of light
  31. 31Photoelectric Effect and Photocell1.2%1 questionPractise Photoelectric Effect and Photocell
  32. 32Momentum of a Photon1.2%1 questionPractise Momentum of a Photon
  33. 33Effect of Intensity on Photoelectric Effect1.2%1 questionPractise Effect of Intensity on Photoelectric Effect
  34. 34Discovery of the Electron1.2%1 questionPractise Discovery of the Electron
  35. 35Planck's Constant1.2%1 questionPractise Planck's Constant
  36. 36Threshold Frequency1.2%1 questionPractise Threshold Frequency
  37. 37Properties of Cathode Rays1.2%1 questionPractise Properties of Cathode Rays
  38. 38Particle Nature of Light1.2%1 questionPractise Particle Nature of Light
  39. 39Effect of Intensity on Photoelectric Current1.2%1 questionPractise Effect of Intensity on Photoelectric Current
  40. 40Charge and Mass of Electron1.2%1 questionPractise Charge and Mass of Electron

Questions per paper

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

  1. 2026: 2 questions
  2. 2026 Re-NEET: 3 questions
  3. 2025: 2 questions
  4. 2024: 2 questions
  5. 2024 Re-NEET: 2 questions
  6. 2023: 2 questions
  7. 2023 Manipur: 2 questions
  8. 2022: 2 questions
  9. 2022 Phase 2: 2 questions
  10. 2021: 2 questions
  11. 2020: 2 questions
  12. 2020 Phase-2: 2 questions
  13. 2019: 1 question
  14. 2019 Odisha: 2 questions
  15. 2018: 2 questions
  16. 2017: 2 questions

Concepts tested

  • Einstein's photoelectric equation 4
  • de Broglie wavelength of an accelerated electron 3
  • de Broglie wavelength 2
  • Effect of intensity 2
  • Maximum speed of photoelectrons 2
  • Number of photons per second 2
  • Photocurrent and intensity 2
  • Stopping potential 2
  • Threshold frequency 2
  • Accelerating potential
  • Cathode rays are charged particles
  • Cut-off voltage
  • de Broglie wavelength of a photoelectron
  • de Broglie wavelength of electron from kinetic energy
  • de-broglie-wavelength-electric-field
  • Effect of frequency on kinetic energy
  • Einstein's equation with two wavelengths
  • Electron and photon of equal energy