5.4: Loudness, amplitude and oscilloscope Flashcards
1
Q
What is amplitude?
A
The height of a wave measured from the middle to the top or bottom
2
Q
What is wavelength?
A
The distance of one point on a wave to the same point on the next wave
3
Q
What is period (T)?
A
The time taken for one complete wave cycle
4
Q
What is the frequency?
A
The number of waves per sec, measure 1/T (Hz)
5
Q
What is an oscilloscope?
A
A device that is connected to a mic to display sound waves
6
Q
What does a high amplitude change about a sound?
A
It makes the sound louder
7
Q
What does an amplifier do?
A
It increases the amplitude of an electrical signal and makes the sound louder.
