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Propagation of sound can be visualised as propagation of variations in...

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Physics
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Propagation of sound can be visualised as propagation of ________ variations in the medium

Answer & Solution
Correct Answer: Option C
Pressure is related to the number of particles of the medium in a given volume. More density of the particles in the medium gives more pressure and vice-versa. Thus, propagation of sound may be visualised as propagation of pressure variations or density variations in the medium.
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