A sound wave is created by a transducer, reflects off an object, and returns to the transducer.  The go return time is 26 µs.  What is the total distance that the pulse traveled?

All of the following correctly describe an imaging transducer except:

A pulsed wave transducer has a resonant frequency of 5 Mhz.  The lowest frequency in the pulse is 2 Mhz and the highest is 8 Mhz.  What is the main frequency?

If an echo returns 104µs  after a pulse was emitted by a transducer, at what depth is the struscture that produced the echo located?

Attenuation of the sound beam is proportional to the:

Which of the following occurs when a sound wave strikes a large, smooth surface at 90 degree angle?

Which of the following formulas determines the impedance of a medium?

Which of the following crystals will produce sound with the lowest frequency? 

The attenuation coefficient for soft tissue using a 10MHz transducer is ________.

The dampening material in a transducer improves the systems lateral resolution.