Knowledge class includes theoretical courses in middle school and college like Optics and Electromagnetics;
Knowledge capsule displays some optical phenomena like linear propagation, reflection, refraction, diffraction, interference, dispersion and polarization of light, image formation in plane mirrors, lens imaging, wave-particle duality and photo-electric effect and so on; and some electromagnetic phenomena like Lenz’s law, Faraday’s law of electromagnetic induction, vortex, electromagnetic damping, electromagnetic drive, mutual induction and self induction, electromagnetic oscillation, electromagnetic field and electromagnetic wave and electromagnetic spectrum and so on.
Photoelectric laboratory includes some famous optical electromagnetic experiments like double slit interference, X-ray crystal diffraction, natural light polarization, laser communication, laser ranging, magnetic field distribution of magnet, photoelectric effect and Compton effect and so on.