Energy and waves Flashcards
1
Q
How are sound waves detected in the microphone?
A
Diaphragm
2
Q
What does the microphone convert the vibrations into?
A
electric signals
3
Q
Give the steps for a loudspeaker recreating sound waves
A
1) electric signals fed into the speaker
2) the signal causes the diaphragm to vibrate
3) this makes the air vibrate and produce sound waves
4
Q
What is ultrasound?
A
Ultrasound is all sounds that have a higher pitch than the normal auditory range for humans
5
Q
What is needed for ultrasonic cleaning
A
Ultrasound