A trumpeter plays a note at a sound level of 40 dB. She then blows harder, increasing the sound level to 60 dB. By how much does the sound intensity increase? 

a. It increases by a factor of 100. 

b. It increases by a factor of 40. 

c. It increases by a factor of 80. 

d. It increases by a factor of 20. 

e. It increases by a factor of 60.

Answer rating: 100% (QA)

The detailed answer for the above question is provided below The correct answer is a It increases by a factor of 100 Heres why Decibels dB are a logar... View the full answer