Answer to Question #47921 in Mechanics | Relativity for Ben

Question #47921
The sound level in a quiet room is 49 dB. Approximately how many times louder is it when a TV is turned on and the sound level is 79 dB? Hint: For every 10 dB the perceived sound level increases by a factor of 2.

A) 4
B) 8
C) 1.6
D) 6
1
Expert's answer
2014-10-21T00:59:48-0400
Answer:Change of soundlevel equals:
79dB-49dB=39dB
For every 10 dB the perceivedsound level increases by a factor of 2, therefore for 30 dB perceived sound level
increases by a factor .
Answer: 8

Need a fast expert's response?

Submit order

and get a quick answer at the best price

for any assignment or question with DETAILED EXPLANATIONS!

Comments

No comments. Be the first!

Leave a comment

LATEST TUTORIALS
New on Blog
APPROVED BY CLIENTS