The planet Jupiter has an atmosphere composed mainly of methane at a temperature of −130∘C
Find the velocity of sound on the planet. Assume γ of the gas inside Jupiter to be 1.3. (R=8.36 J mol−1 K−1)
311
T=−130∘C=−130+273=143Kγ=1.3R=8.36 J mol−1 K−1V=?V=√γRTM
=√1.3×8.3×14316×10−3 [Molecular mass of methane CH4=12+4=16]
=12424311ms−1
Ans: 311 ms−1