Sound 2 Flashcards
1
Q
What does sound travel the fastest
A
Solids
2
Q
What does CRO stand for
A
Cathode ray oscilloscope
3
Q
What happens if you increase the amplitude
A
The sounds becomes louder
4
Q
What happens when the frequency decreases
A
Lower pitch
5
Q
What is a noise below human hearing range
A
Infrasound
6
Q
What is the sound above human heading range
A
Ultrasound
7
Q
What is the Doppler effect
A
Noise coming towards you means the noise gets louder
8
Q
What are three osciccles
A
Hammer
Anvil
Stirrups
9
Q
What unit is sound measured in
A
Decibels
10
Q
When is sound produced
A
When an object vibrates
