The Velocity of a Longitudinal Sound Wave in an Ideal

question 33

Multiple Choice

The velocity of a longitudinal sound wave in an ideal gas is given by v = ,where γ is the ratio of the specific heat at constant pressure to that at constant volume,P is the pressure,and ρ is the mass density.Assuming an ideal gas with γ = 1.4 and ρ = 1.4 g/l at standard temperature and pressure,find the wavelength for a 2700 Hz sound wave.

• A)0.12 m
• B)0.00 m
• C)8.33 m
• D)0.02 m

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