6) If the original intensity of a sound is 40 dB re: 1 bar, what is its intensity in dB re: 1 bar if its pressure is doubled? _46_, halved? _34_,

6) If the original intensity of a sound is 40 dB re: 1



bar, what is its intensity in dB re: 1



bar

if its pressure is doubled? _46_, halved? _34_, quadrupled? __52_.

I am having trouble understanding this problem. If you could help explain it to me that would be amazing! Please get back to me. Thank you!