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A sound wave is passing through air column in the form of compression and rarefaction. In consecutive compressions and rarefactions,
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there is no transfer of heat
there is no transfer of heat
(a) The density of medium changes due to compression and rarefraction. At compressed regions density is maximum and at rarefactions density is minimum.
(b) As density is changing very rapidly so temperature of medium increases. Hence Boyle's law is not obeyed.
(c) Bulk modulus of air remains same or constant.
(d) The time of compressions and rarefraction is very small i.e., we can assume adiabatic process, i.e. no transfer of heat from surroundings.
(b) As density is changing very rapidly so temperature of medium increases. Hence Boyle's law is not obeyed.
(c) Bulk modulus of air remains same or constant.
(d) The time of compressions and rarefraction is very small i.e., we can assume adiabatic process, i.e. no transfer of heat from surroundings.
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