Sound Flashcards
Waves carry ______ from one location to another.
energy
True or False: Sound is a mechanical wave in which particles in a medium move
True
Define acoustic propagation properties
Effects of medium upon sound wave
What is an example of an acoustic propagation property?
Attenuation
Define Biological effects (bioeffects)
The effects of the sound wave on the tissue
True or False: Sound can travel through a vaccum
False
Sound waves require a ______.
medium
When molecules are squeezed together they are ________.
compressed
When molecules are stretched apart they are _______.
rarified
Sound travels in a _______ line.
straight
True or False: Sound waves are longitudinal waves
True
Define Acoustic Variables
Changes that occur within a medium as a result of sound propagation
Sound waves are also known as ______ waves.
acoustic
Name the three acoustic variables?
pressure, density, distance (particle motion)
Define pressure and its units
Concentration of force in an area; pascals (Pa)