A sound wave is passing through air column in the form of compressi...

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A sound wave is passing through air column in the form of compression and rarefaction. In consecutive compressions and rarefactions,
[NCERT Exemplar]
(a) Density remains constant
\( \mathrm{P} \)
(b) Boyle's law is obeyed
(c) Bulk modulus of air oscillates
(d) There is no transfer of heat
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