Vocabulary Flashcards
1
Q
Acoustics
A
Sound is a form of energy which originates when a force creates a vibration
2
Q
Compression
A
When the sound wave travels some of the air molecules are pushed together. This is known as compression, when the molecular density is greater than the rest of the
3
Q
Rarefraction
A
Other molecules in the wave are less dense and are spread further apart than normal. This is known as rarefaction.