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Physics - Electromagnetic Waves

Practise 7 WBJEE previous year questions on Electromagnetic Waves, compiled from papers spanning 2014 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty WBJEE tests.

Electromagnetic Waves has been asked in 6 of the 18 years of WBJEE papers analysed (2009–2026), with 7 questions in all. 100% of them were easy, 0% moderate and 0% tough. Most of its questions came from 2024, with 2 questions that year. In the last three years (2024–2026) it had 3 questions across 3 papers, about 1 per paper.

The chapter's 2 topics are not weighted equally: Electromagnetic Waves and Maxwell's equations (6 questions, 86%) and Electromagnetic Spectrum (1 question, 14%) have been asked the most. Electromagnetic Waves and Maxwell's equations has also led over the last five years, with 4 questions.

  1. 1The displacement current flows through a capacitor when the voltage across its plates2026Electromagnetic Waves and Maxwell's equations
  2. 2Longitudinal waves cannot2024Electromagnetic Waves and Maxwell's equations
  3. 3The electric field of a plane electromagnetic wave in a medium is given by where is the speed of light in free space. field is polarized in 2024Electromagnetic Waves and Maxwell's equations
  4. 4The electric field of a plane electromagnetic wave of wave number \(k\) and angular frequency \( \) is given by \( {E}=E_0( {i}+ {j}) (k z- 2023Electromagnetic Waves and Maxwell's equations
  5. 5For a plane eletromagnetic wave, the electric field is given by The corresponding magnetic field will be2021Electromagnetic Waves and Maxwell's equations
  6. 6A charged particle moves with constant velocity in a region where no effect of gravity is felt but an electrostatic field together with a ma2020Electromagnetic Waves and Maxwell's equations
  7. 7The energy of gamma ray photon is , and that of an X-ray photon is . If the visible light photon has an energy of , then we can say that2014Electromagnetic Spectrum

Frequently Asked Questions

1.How many questions are available for Electromagnetic Waves?

This chapter includes 7 questions compiled from WBJEE papers spanning 2014 to 2026.

2.Are these questions only from WBJEE, or from other exams too?

These are WBJEE questions specifically for the Electromagnetic Waves chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Electromagnetic Waves an important chapter for WBJEE Physics?

Electromagnetic Waves has appeared in 6 of the 18 years of WBJEE papers covered here, with 7 questions across 6 papers - about one per paper it appears in.

4.What is the difficulty level of Electromagnetic Waves questions in WBJEE?

Of the 7 questions analysed for this chapter, 100% are easy, 0% moderate and 0% tough. 2024 had the most, with 2 questions.

5.Which topics in Electromagnetic Waves should I focus on?

These topics have carried the most weightage in Electromagnetic Waves:

  • Electromagnetic Waves and Maxwell's equations - 6 questions (86%)
  • Electromagnetic Spectrum - 1 question (14%)
6.Is Electromagnetic Waves's weightage in WBJEE going up or down?

Across all 6 papers analysed, Electromagnetic Waves has averaged about 1.2 questions per paper. In the last three years (2024–2026), that average has stayed about the same, at about 1.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.