At a distance of two near-zone lengths,the beam diameter is _______ the diameter of the transducer element.
A) one half of
B) double
C) equal to
D) triple
Correct Answer:
Verified
Q13: Lateral resolution is equal to _.
A) wavelength/2
B)
Q14: Arrays are operated in two ways,called _
Q15: If the propagation speed of the transducer
Q16: Factors determining axial resolution are the _.
A)
Q17: Which of the following frequencies is operated
Q19: Coupling medium is applied to the transducer-tissue
Q20: Electric _ applied to a transducer are
Q21: _ array is the combination of linear
Q22: Arrays have additional beams resulting from their
Q23: Partial-volume artifact is also called _.
A) section
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