A source of sound has an intensity I₁ and when its sound level is measured at a fixed distance the value found is 70 dB.The source then has its intensity increased to I₂ and when its sound level is measured at the same distance the value found is 96 dB.What is the ratio I₂/I₁? A)26 B)400 C)600 D)14

Question

Quizplus · Accepted Answer

The difference in sound level between the two measurements is 26 dB (96 dB - 70 dB). According to the equation for sound level, this corresponds to a factor of 10^(26/10) = 398.107. Therefore, the ratio of the new intensity to the original intensity is approximately 398.107, which is closest to answer choice B) 400.

A Source of Sound Has an Intensity I​1 and When

A Source of Sound Has an Intensity I₁ and When