Wave ParametersHardQuestion 31219
Question
Bulk modulus of a gas relates to speed of sound by:
- Av = √(B/ρ)Correct
- Bv = B/ρ
- Cv = √(ρ/B)
- Dv = Bρ
Correct answer
v = √(B/ρ)
Explanation
Speed of sound in any medium = √(B/ρ) where B is elastic modulus (bulk modulus for gases). For adiabatic process, B = γP.