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Grade: 12

                        

te speed of sound in air is 332 ms -1 at 0 o c. calculate its speed at 22 o c.

2 years ago

Answers : (2)

Susmita
425 Points
							
Speed of sound in air
C=\sqrt{\frac{\gamma P}{\rho}} =\sqrt{\frac{\gamma RT}{M}} (using PV=RT and p=M/V)
 
So for a fixed gas
\frac{C2}{C1}=\sqrt{\frac{T2}{T1}} =\sqrt{\frac{22+273}{273}}
Or,C2=332×1.03 m/s=345m/s
Hope this helps
 
2 years ago
Deepak Kumar Shringi
askIITians Faculty
4403 Points
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2 years ago
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