Question

Sound waves are travelling in a medium whose adiabatic elasticity is E and isothermal elasticity E'. The velocity of sound waves is proportional to(a) E'(b) $\sqrt{E}$(c) $\sqrt{E'}$(d) $\frac{E}{E'}$

Answer 1

In Adiabatic process, there is no transfer heat into the system.

Some adiabatic process

1.Expansion or comression of gas with insulated boundary.Ex.compression of gas in compressor

2.When expansion or compression take place at fast rate so that heat cann’t take palce into the system.Ex. when steam remove from pressure cooker, Blast of cycle tube

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