Class 12 · Chapter
Electromagnetic Waves
6 topics · 6 interactive simulations
🌐
Displacement Current
I_d = ε₀·dΦ_E/dt. Maxwell's missing piece for the Ampère-Maxwell law.
Advanced10 minlive
🌊
EM Wave Propagation
E ⟂ B ⟂ direction. Sinusoidal transverse waves traveling at c = 3×10⁸ m/s.
Moderate10 minlive
🌈
EM Spectrum
From radio (km) → gamma (pm). Visible band 380–750 nm. Toggle bands.
Foundation9 minlive
➡️
Poynting Vector
S = (1/μ₀) E×B. Energy flow direction & intensity of EM wave.
Advanced10 minlive
💨
Radiation Pressure
P = I/c (absorbed) or 2I/c (reflected). Light pushes objects.
Advanced9 minlive
📡
λ × f = c
Tune wavelength and watch frequency adjust. Cross-spectrum interactive map.
Foundation8 minlive