Question

One way to measure the heat capacity ratio (γ) of a gas is to measure the speed of sound in the gas (c), which is given by:
a) ( c = √γ ⋅ RT/M )
b) ( c = √RT/γ ⋅ M )
c) ( c = √M ⋅ γ/RT )
d) ( c = √RT/M ⋅ γ )