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
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C
Sum of kinetic energy and potential energy
c (c)Total energy is conserved.
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