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4 cards from this section. Quick, good the night before a test.
Define sound.
Think about how sound is made.
What is the audible range of sound for humans?
Recall the range mentioned in class.
What type of wave is sound?
Think about how the particles move in relation to the wave direction.
True or False: Sound can travel through a vacuum.
Consider the medium needed for sound to propagate.
If a sound wave travels at a speed of 340 m/s and has a frequency of 170 Hz, what is its wavelength?
Rearranging the speed formula will help you find the wavelength.
Describe how sound is used in medical imaging and give one specific example.
Think about how sound can penetrate soft tissues and reflect back.
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