Physics Test 3 Flashcards
1
Q
periodic disturbance- back and forth motion of some kind
A
wave
2
Q
waves that travel through matter
A
mechanical waves
3
Q
Waves without matter
A
Electromagnetic waves
4
Q
below audible frequency (>20 Hz)
A
infrasonic
5
Q
above audible frequency (>20,000 Hz)
A
Ultrasonic
6
Q
sound is measured in
A
decibels
7
Q
a changing of frequency caused by motion; produces a change in pitch
A
doppler effect
8
Q
lowest frequency that can be produced
A
fundamental
9
Q
the vibration of the harmonics in harmony
A
resonance
10
Q
A