sound Flashcards
1
Q
How are sound waves produced?
A
When objects vibrate.
2
Q
How do loud speakers work?
A
Loud speakers work by converting electrical energy to kinetic.
3
Q
What are the fastest waves?
A
Light waves.
4
Q
What type of waves are sound waves
A
Longitude.
5
Q
What part of the ear collects sound?
A
Pinna
6
Q
What is the amplitude of a wave?
A
The maximum height of a wave.
7
Q
What is the wavelength of a wave?
A
The difference between the same two points on a wave.
8
Q
What is the infrequence of a wave.
A
The number of waves per second
9
Q
Above what frequency is ultrasound?
A
20,000 Hz
