Sound Flashcards
1
Q
Although sound waves can travel through liquids, solids and gases, which do they travel fastest and slowest in?
A
Fastest: solids
Slowest: gases
2
Q
Can sound waves travel through a vacuum?
A
No
3
Q
What is he frequency range that can be heard by the human ear?
A
20hz-20khz
4
Q
What surfaces reflect sound?
A
Hard and flat surfaces
5
Q
What surfaces absorb sound?
A
Soft surfaces
6
Q
Sound waves can be refracted and diffracted. True or False?
A
True
7
Q
Where does the refraction of sound waves take place?
A
At the boundaries between layers of air at different temps.
8
Q
Are sound waves transverse or longitudinal?
A
Longitudinal
