sound waves Flashcards
(6 cards)
1
Q
what are sound waves
A
longitudinal waves caused by vibrating objects
2
Q
what is used to convert sound waves to electrical signals
A
microphone
3
Q
what is an oscilloscope
A
a device which can display the microphone signal as a trace on a s screen
4
Q
what is the frequency
A
the number of complete vibrations each second
5
Q
what does the amplitude show
A
the loudness
6
Q
what does the horizontal axis on an oscilloscope show
A
the time
