Overall compensation gain is set at 36dB. If the gain is reduced by one half, what will the new gain be?
The distance to a reflector in soft tissue is 15cm. What is…
The distance to a reflector in soft tissue is 15cm. What is the round trip time to this depth?
Exceeding the Curie Point of a transducer element will resul…
Exceeding the Curie Point of a transducer element will result in:
In oblique incidence the sound is ____ at a boundary between…
In oblique incidence the sound is ____ at a boundary between two media where propagation speeds are different.
Which of the following is a negative effect of using a dampe…
Which of the following is a negative effect of using a dampening material in the transducer assembly?
The thickness of the ___________ is 1/4 of the wavelength of…
The thickness of the ___________ is 1/4 of the wavelength of sound in the matching layer.
Snell’s law can be applied to the surface of a transducer to…
Snell’s law can be applied to the surface of a transducer to determine the beam profile of the wave that emanates from the surface.
More attenuation will occur with
More attenuation will occur with
Which of the following is proportional to the impedance of a…
Which of the following is proportional to the impedance of a medium?
The distance to the reflector in soft tissue with a round-tr…
The distance to the reflector in soft tissue with a round-trip of 39 µs is ___________.