Sounds Flashcards
0
Q
When an object travels faster than the speed of sound it’s called…
A
Supersonic
1
Q
Dogs hear frequencies above and below humans, what are they called?
A
Ultrasonic and infrasonic
2
Q
When an object travels slower than the speed of sound it’s called…
A
Subsonic
3
Q
Hearing range for humans
A
20-20000 hz
4
Q
Does it need a medium to pass through?
A
Yes
5
Q
sound is an example of a _____ wave
A
Longitudinal
6
Q
Sound travels faster through solids, liquids or gases?
A
Solids
7
Q
An open pipe will resonate if it’s length is ____ the wavelength
A
1/2
8
Q
What kind of tube will produce the highest pitch?
A
Short open
