Electromagnetic Waves

28 topics, ranked by how often each is asked.

  • 49 questions
  • 34 papers
  • 2.78% of Physics

Topics

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

Topics

28 topics · 49 questions
  1. 1Electromagnetic Wave Equations and Field Relations2%1 questionPractise Electromagnetic Wave Equations and Field Relations
  2. 2Displacement Current and Induced Magnetic Field2%1 questionPractise Displacement Current and Induced Magnetic Field
  3. 3Displacement Current12%6 questionsPractise Displacement Current
  4. 4Properties of Electromagnetic Waves4.1%2 questionsPractise Properties of Electromagnetic Waves
  5. 5Electromagnetic Waves – E and B Amplitudes2%1 questionPractise Electromagnetic Waves – E and B Amplitudes
  6. 6Electromagnetic Waves in a Medium2%1 questionPractise Electromagnetic Waves in a Medium
  7. 7Electromagnetic Spectrum18%9 questionsPractise Electromagnetic Spectrum
  8. 8Electromagnetic Waves – Directions of E, B and Propagation2%1 questionPractise Electromagnetic Waves – Directions of E, B and Propagation
  9. 9Electromagnetic Waves – Energy Density2%1 questionPractise Electromagnetic Waves – Energy Density
  10. 10Electromagnetic Waves – Energy Transport2%1 questionPractise Electromagnetic Waves – Energy Transport
  11. 11Electromagnetic Spectrum – Visible Light2%1 questionPractise Electromagnetic Spectrum – Visible Light
  12. 12Electromagnetic spectrum and modes of production2%1 questionPractise Electromagnetic spectrum and modes of production
  13. 13E and H field ratio in an EM wave in a medium2%1 questionPractise E and H field ratio in an EM wave in a medium
  14. 14EM wave equation - wave number and wavelength2%1 questionPractise EM wave equation - wave number and wavelength
  15. 15Refractive index in terms of permittivity and permeability2%1 questionPractise Refractive index in terms of permittivity and permeability
  16. 16Relation between E and B in an EM wave6.1%3 questionsPractise Relation between E and B in an EM wave
  17. 17Speed of EM waves in a medium2%1 questionPractise Speed of EM waves in a medium
  18. 18EM waves in a dielectric medium2%1 questionPractise EM waves in a dielectric medium
  19. 19Electromagnetic spectrum - applications2%1 questionPractise Electromagnetic spectrum - applications
  20. 20Nature of electromagnetic waves – E, B and direction of propagation2%1 questionPractise Nature of electromagnetic waves – E, B and direction of propagation
  21. 21Sources of electromagnetic waves2%1 questionPractise Sources of electromagnetic waves
  22. 22Momentum of electromagnetic radiation2%1 questionPractise Momentum of electromagnetic radiation
  23. 23Radiation pressure2%1 questionPractise Radiation pressure
  24. 24Microwaves2%1 questionPractise Microwaves
  25. 25Electromagnetic waves8.2%4 questionsPractise Electromagnetic waves
  26. 26Nature of electromagnetic waves6.1%3 questionsPractise Nature of electromagnetic waves
  27. 27Speed of Electromagnetic Waves2%1 questionPractise Speed of Electromagnetic Waves
  28. 28Infrared Radiation and Greenhouse Effect2%1 questionPractise Infrared Radiation and Greenhouse Effect

Questions per paper

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

  1. 2026: 1 question
  2. 2026 Re-NEET: 2 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: 2 questions
  14. 2019 Odisha: 1 question
  15. 2018: 1 question
  16. 2017: 1 question

Concepts tested

  • Direction of propagation 2
  • Electromagnetic spectrum 2
  • Order of wavelengths 2
  • Relation between E and B in an EM wave 2
  • Wave parameters 2
  • accelerating-charge-em-wave
  • B = E/c
  • Beta rays are particles
  • capacitive reactance vs frequency
  • colour with the longest wavelength
  • conduction and displacement current for a charging capacitor
  • Displacement current
  • Displacement current between capacitor plates
  • Displacement Current Distribution
  • displacement current in a capacitor
  • displacement-current-peak
  • E and H field ratio in an EM wave in a medium
  • E × B along direction of propagation