Question

Which type of wall would make the best soundproofing for room?

Select one of the options below as your answer:
A.
1.0 centimeter thick glass
B.
two layers of 0.5 centimeter thick glass with 0.5 centimeters of air between them
C.
two layers of 0.5 centimeter thick glass with 0.3 centimeters of vacuum between them
D.
1.0 centimeter thick steel

Answer 1

im guessing its B

Answer 2

look in your book for a table that talks about a 'coefficient of insulation' or something like that. once you have the coeffiecitns for air, glass and steel, and run through the combo's and scenarios to see whicih would result in the least transferance of waves, is my guess

Answer 3

Thanks again :D Your great!

Answer 4

thanks

Answer 5

did u find anything?