Civil Engineering - Waste Water Engineering - Discussion

44. 

In SI units the power of sound is represented in

[A]. kgs
[B]. joules
[C]. neutons
[D]. watts.

Answer: Option D

Explanation:

No answer description available for this question.

Mona said: (Mar 26, 2018)  
The sound is energy. So according to me, it should be Joule.

Sumit Narayan Bose said: (Aug 22, 2018)  
Sound power or acoustic power is the rate at which sound energy is emitted, reflected, transmitted or received, per unit time. The SI unit of sound power is the watt (W). It is the power of the sound force on a surface of the medium of propagation of the sound wave.

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