Module 9 Flashcards
1
Q
What is a mechanical wave?
A
A disturbance in matter that transfers energy through the matter.
2
Q
What is a longitudinal wave?
A
A wave in which the vibration of the medium is parallel to the direction the wave travels.
3
Q
What is a surface wave?
A
A wave that travels along the surface of a medium.
4
Q
What is supersonic speed?
A
Any speed that is faster than the speed of sound in the medium of interest.
5
Q
What is a sonic boom?
A
The thunder-like sound produced as a result of an object traveling at or above Mach 1.
6
Q
What is pitch?
A
An indication of how high or low a sound is, which is primarily determined by the frequency of the sound wave.
7
Q
What is the Doppler effect?
A
A change in sound frequency caused by the motion of the sound source, motion of the listener, or both.
