Show that the volume that the volume strain in any longitudinal wave is given by (-dy/dx),
Channel: Doubtnut
Date: 30/08/2020

Show that the volume that the volume strain in any longitudinal wave is given by (-dy/dx), where y is the displacement at the plane x. Hence show that for a harmonic wave of amplitude A and wavelength `lambda` in a medium of elasticity E, the excess pressure is given b