Question

A sound level $I$ is greater by $3.0103dB$ from another sound of intensity $10nWc{m}^{-2}$. The absolute value of intensity of sound level $I$ in $W{m}^{-2}$ is :

• A. $2.0\times {10}^{-4}$
• B. $2\times {10}^{-4}$
• C. $2.0\times {10}^{-2}$
• D. $2.5\times {10}^{-2}$

Answer 1

Answer: (A)