Use the decibel scale to answer the question.
-How does the intensity of sound form a concert speaker at a distance of 1 meter compare to the intensity at a distance of 5 meters?
A)Factor of 15 weaker at 5 m.
B)Factor of $10 ^ { 5 }$ weaker at 5 m.
C)Factor of 5 weaker at 5 m.
D)Factor of 25 weaker at 5 m.

Question

Quizplus · Accepted Answer

The intensity of sound decreases with the square of the distance from the source, so at 5 meters (5 times further away), the intensity is $5^2 = 25$ times weaker.

Use the Decibel Scale to Answer the Question 10510 ^ { 5 }105

Use the Decibel Scale to Answer the Question $10 ^ { 5 }$