Q. When a longitudinal wave propagates through a medium, the particles of the medium execute simple harmonic oscillations about their mean positions. These oscillations of a particle are characterised by an invariant
A) Kinetic energy
B) Potential energy
C) Sum of kinetic energy and potential energy
D) Difference between kinetic energy and potential energy
Explanation
(c) Total energy is conserved
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.