As sound travels,the width of the beam remains unchanged.
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Q39: Which of the following describes the far
Q40: Linear and convex are types of _
Q41: Axial resolution is determined by the width
Q42: The focal length is the distance between
Q43: Utilization of multiple focal points is likely
Q45: The matching layer increases reflection of the
Q46: Which of the following is achieved within
Q47: With phasing,the reception beam is _ and
Q48: Which of the following determines the beam
Q49: The impedance of the matching layer is
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