Classification by research area.
Area | No. of Articles (%) | Contents |
---|---|---|
Electromagnetic | 20 (51.3%) | electric circuit, magnetic fields of magnets, Coulomb’s law, speakers, DC motors, magnetic fields by current, magnetic filed measurement |
Mechanics | 5 (12.8%) | topics of pulleys, collisions, friction, torque, and centripetal force |
Thermodynamics | 3 (7.7%) | heat conduction |
Optics | 3 (7.7%) | image of convex lens, interferometer of a hologram |
Modern Physics | 3 (7.7%) | atomic structure, photoelectric effect, and gamma ray measurement |
Acoustics | 2 (5.1%) | frequency of glass with water, Doppler effect |
etc. | 3 (7.7%) |