NEET Class neet Answered
velocity of sound
Asked by mukeshkumarsgnr786 | 20 Mar, 2021, 07:04: PM
Expert Answer
Speed v of sound in a gas is given as
γ = adiabatic constant of gas, R = universal gas constant, T = absolute temperature
M = moleculer mass of gas
Frequently used formula for velocity of sound in air
v = 331 + 0.6 T
In above formula T is in oC
Example :-
Speed of sound in air at 25 oC, v = 331 + ( 0.6 × 25 ) = 346 m/s
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