Author: Anonymous

Which transducer has the lower numerical value of axial resolution?

Transducer frequency and near zone length are inversely related.

If there are more cycles in a pulse, the numerical value of  range resolution is_________.

The frequency of a transducer does not change. If the diameter of the new piezoelectric crystal increases, what happens to the near zone length?

The formation of a beam from an aperture is explained by ____. (READ the question carefully)

What can you tell about the image below? Focused Transducer (2).png   

A pair of 6 MHz probes are identical except for the active element diameters, which are 7 mm and 12 mm.  Which beam will be more compact in the far field?

At which of the following depths is the beam widening? Fig 9.4 crystal diameter(8).png

What can you tell about the image below? Unfocused (2)(1).jpg  

What can you tell about this image by looking at the dash blue lines? Defocused (2).png