The propagation speed for a round trip time of 39 µs is _______ mm/µs.

For short pulses, the quality (Q)factor is equal to:

Reducing the impedance difference between the crystal and the skin is the primary function of which of the following transducer components?

A pulse with a long pulse duration is likely to have a narrow bandwidth.

Absorption of the sound beam is highest in :

The sensitivity of transducers that create short duration pulses is likely to be ________ that of transducers that create long pulses.

Which of the following would define the beam’s intensity at the location where it is maximum? 

Snell’s law determines the amount of:

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 Q factor?

Which type of transducer have a greater bandwidth?