Sound Flashcards
1
Q
Sound
A
- Travels through waves
* Regions of high pressure (compressions) and low pressure (rarefactions) are created as the sound source vibrates
2
Q
Speed of sound
A
- Dependent on the medium
- Faster in denser substances
- Dependent on temperature
- Influenced by the pressure of the medium
3
Q
Reflection
A
When the sound of the waves collide with an object
4
Q
Sonar
A
Used by ships to determine the depth of the see
5
Q
Wave properties
A
- High frequency, high pitch
* Low frequency, low pitch
6
Q
Loudness
A
- Determined by the amplitude of the wave
* The source determines loudness
7
Q
Ultrasound
A
Based on the reflection and transmissions of a wave at a boundary