A 6 dB decrease corresponds to what reduction in intensity?
Scattering allows:
Scattering allows:
What frequency range qualifies sound as ultrasound?
What frequency range qualifies sound as ultrasound?
The Doppler effect measures:
The Doppler effect measures:
When sound hits a boundary between two media perpendicularly…
When sound hits a boundary between two media perpendicularly, what determines reflection vs. transmission?
Which unit measures attenuation?
Which unit measures attenuation?
The dominant cause of attenuation in soft tissue is:
The dominant cause of attenuation in soft tissue is:
The Doppler effect measures:
The Doppler effect measures:
What is the shape of the sector scan format display?
What is the shape of the sector scan format display?
What determines propagation speed in tissue?
What determines propagation speed in tissue?