Lesson 11 Flashcards
1
Q
What kind of wave is sound
A
Three dimensional wave
2
Q
Sounds is _____ wave
A
Mechanical
3
Q
As the temperature increases the speed of sound will….
A
Also increase
4
Q
What is pitch
A
Refers to how high or low the sound is
5
Q
Frequencies below 20Hz are said to be
A
Infrasonic
6
Q
Frequencies above 20kHz is said to be
A
Ultrasonic
7
Q
What is loudness
A
A measure of how strongly a sound is heard
8
Q
What is the intensity of a sound
A
Is a measure of how much energy it carries (larger amplitude sound waves have a greater intensity