Air at pressure and density has ratio of specific heats

PHYSICS · Single correct · CBSE · Physics · Kinetic Theory · Kinetic Theory

Problem

Air at pressure

1.0\times10^{5}\,\text{Pa}

and density

1.2\,\text{kg m}^{-3}

has ratio of specific heats

\gamma=1.4

. Calculate the speed of sound in air. (a)

404\,\text{m s}^{-1}

(b)

342\,\text{m s}^{-1}

(c)

289\,\text{m s}^{-1}

(d)

330\,\text{m s}^{-1}