A sound absorber attenuates the sound level by $20 ext{ dB}$. The intensity decreases by a factor of

Question

A sound absorber attenuates the sound level by $20	ext{ dB}$. The intensity decreases by a factor of

Aicharya · Accepted Answer

We know that, $\beta = 10 \log \left(\frac{I}{I_0}\right)$ $\Rightarrow \beta_1 = 10 \log \left(\frac{I_1}{I_0}\right)$

A sound absorber attenuates the sound level by $20\text{ dB}$. The intensity decreases by a factor of