the intensity of sound wave gets reduced by 20% on passing through a slab .the reduction in intensity on passing through wo consecutive slabs is

Question

Biswajit Das · Answer

We know that intensity of sound varies, I₁= 1.26 I₀.
So, 20% of I₀will be, (20% of I₀) = (20/100) I₀= I₀/5
Thus the new intensity of sound will be, I₁^’= 1.26 (I₀/5) = (1.26/5) I₀= 0.252 I₀
Therefore from the above observation we conclde that, the new intensity will be0.252 I₀.

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the intensity of sound wave gets reduced by 20% on passing through a slab .the reduction in intensity on passing through wo consecutive slabs is

the intensity of sound wave gets reduced by 20% on passing through a slab .the reduction in intensity on passing through wo consecutive slabs is

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the intensity of sound wave gets reduced by 20% on passing through a slab .the reduction in intensity on passing through wo consecutive slabs is

the intensity of sound wave gets reduced by 20% on passing through a slab .the reduction in intensity on passing through wo consecutive slabs is

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