Question

Select the correct answer.
The loudest animal on Earth is the blue whale. Blue whales can emit sound with an intensity of 106.8 watts/meter2. The equation
log
by the human ear, Io (approximately 1 x 10-12 watts/meter).
Based on this information, which value is closest to the sound level, in decibels, of the vocalizations of a blue whale?
A.
140 dB
B.
100 dB
C. 240 dB
D. 1,000 dB

Answer 1

Answer:

140 db

Step-by-step explanation:

I have succesfully finished tihs

Answer 2

The value is closest to the sound level of the vocalizations of a blue whale is 140dB.

We have given that,

Intensity(I)= 106.8 watts/meter^2

The intensity of sound hair by the human ear is,

$I_0=1\times10^{-12}$

What is the meaning of the sound intensity?

Sound intensity is defined as the power carried by sound waves per unit area in a direction perpendicular to that area.

We have to find which value is closest to the sound level, in decibels, of the vocalizations of a blue whale

So we have given the formula

$B=10 log(\frac{I}{I_0} )$

So use the given value we get

$B=10 log(\frac{106.8}{1\times 10^{-12}} )$

B= 140.28 dB≈140 dB

Therefore the value is closest to the sound level of the vocalizations of a blue whale is 140dB.

To learn more about the intensity visit:

https://brainly.com/question/25379849