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Which of the following is the correct formula for speed of sound?(a) \(\sqrt{\gamma RT}\)(b) \(\sqrt{pRT}\)(c) \(\sqrt{\rho Rt}\)(d) \(\sqrt{\gamma R0T}\)The question was asked by my college director while I was bunking the class.The above asked question is from Measurement of Airspeed in chapter Atmosphere and Air Data Measurement of Aircraft Performance

Answer» RIGHT answer is (a) \(\sqrt{\gamma RT}\)

The best explanation: The correct formula for speed of sound is \(\sqrt{\gamma RT}\) where R=characteristic gas constant, T=temperature and γ is the RATIO of SPECIFIC HEAT at constant pressure to that of specific heat at constant VOLUME.


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