Question

Explain effect of pressure and temperature on speed of sound

Answer 1

Answer:

Effect of Temperature

According to Laplaces equation,

                      v=√γP/ρ

                        =√γPV/M

                         =√γRT/ρ

                  therefore, v∝√T

As temperature increase, velocity of sound also increases

Effect of Pressure

Pressure has no effect on the velocity of sound,

Because, according boyle's law,

           PV/M=a constant