Chapter 4 • Class 12 Physics
Electromagnetic Waves
Electromagnetic Waves — Class 12 Physics (NCERT): displacement current & Maxwell's equations, transverse nature, c=1/√(μ₀ε₀), E₀/B₀=c, energy density, radiation pressure & the EM spectrum, with solved numericals & tests.
Study by topic — one focused page each
1
Displacement Current & Maxwell's Equations
An electromagnetic wave is a self-sustaining ripple of electric and magnetic fields that travels through empty space at the speed of light. Before Jam…
Start this topic → 2Nature & Properties of EM Waves
An electromagnetic wave consists of an electric field and a magnetic field that oscillate together, at right angles to each other and to the direction…
Start this topic → 3The Electromagnetic Spectrum
The electromagnetic spectrum is the complete range of electromagnetic waves, ordered by wavelength (or equivalently frequency), from long-wavelength r…
Start this topic →Chapter-wide tests
Online Test
18 MCQ • 15 min
IMO / Olympiad Practice
Olympiad level • 15 min
📝 Full Chapter Test (Download & Print)
40 marks • 90 min • with answer key