A barking dog delivers about 1.0 mW of power, which is assumed to be uniformly distributed in all directions. What is the intensity level in decibels at a distance 5.00 m from the dog? The threshold of human hearing is
A) 68 dB
B) 61 dB
C) 63 dB
D) 65 dB

Question

A barking dog delivers about 1.0 mW of power, which is assumed to be uniformly distributed in all directions. What is the intensity level in decibels at a distance 5.00 m from the dog? The threshold of human hearing is 
A) 68 dB 
B) 61 dB 
C) 63 dB 
D) 65 dB

Quizplus · Accepted Answer

The Answer of A barking dog delivers about 1.0 mW of power, which is assumed to be uniformly distributed in all directions. What is the intensity level in decibels at a distance 5.00 m from the dog? The threshold of human hearing is 
A) 68 dB 
B) 61 dB 
C) 63 dB 
D) 65 dB

A Barking Dog Delivers About 1