When a longitudinal wave propagates through a medium, the particles of – McqOptions

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1.	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 [SCRA 1998]
A.	Kinetic energy
B.	Potential energy
C.	Sum of kinetic energy and potential energy
D.	Difference between kinetic energy and potential energy
Answer» D. Difference between kinetic energy and potential energy

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