- Joined
- Feb 10, 2012
- Messages
- 45
- Reaction score
- 13
My version of BR does not have the answers to some examples so I was hoping you could help!
Ex 6.2b: A librarian asks you to be quiet. In going from a talk to a whisper, the intensity level of your voice decreases from 60dB to 20dB. By what factor does your voice correspondingly decrease in intensity?
A. Intensity decreases by a factor of 30
B. Intensity decreases by a factor of 40
C. Intensity decreases by a factor of 100
D. Intensity decreases by a factor of 10,000
Ex 6.2b: A librarian asks you to be quiet. In going from a talk to a whisper, the intensity level of your voice decreases from 60dB to 20dB. By what factor does your voice correspondingly decrease in intensity?
A. Intensity decreases by a factor of 30
B. Intensity decreases by a factor of 40
C. Intensity decreases by a factor of 100
D. Intensity decreases by a factor of 10,000