Mechanical wave
5.1 Formation and propagation of mechanical waves
5.1.2 Transverse and longitudinal waves
Transverse wave
Longitudinal wave
5.1.3 Wave surface Wave line
5.1.4
5.1.5 Elastic deformation of objects
5.1.6 Three physical quantities describing physical waves
5.2 Wave function of plane harmonics
5.2.1 Wave function of plane harmonics