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A sound wave is passing through the air column in the form of compression and rarefaction. In consecutive compressions and rarefactions,
A sound wave is passing through the air column in the form of compression and rarefaction. In consecutive compressions and rarefactions,
CBSE | Class 11 | NCERT Exemplar | Physics | Waves
A sound wave is passing through the air column in the form of compression and rarefaction. In consecutive compressions and rarefactions,

a) density remains constant

b) Boyle’s law is obeyed

c) bulk modulus of air oscillates

d) there is no transfer of heat

Answer:

The correct option is d) there is no transfer of heat

Explanation:

Because air is a poor conductor of heat, there is no heat transfer from compression to rarefaction. Furthermore, the compression/rarefaction time is insufficient.

i

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