Question

Definition Open Window Unit???? (O.W.U.).​

Answer 1

Answer:

We can say that the open window behaves as a perfect absorber of sound and hence the absorption coefficient can be defined as the rate of sound energy absorbed by a certain area of the surface to that o an open window of same area. ... The absorption coefficient is measured in open window unit.

Explanation:

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Answer 2

Answer:

jai free fire jai jai

Explanation:

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