Calculate the pulse duration for a 3.0 MHz transducer in soft tissue with a four-cycle pulse.
A) 1.2 µs
B) 1.3 µs
C) 12 µs
D) 13 µs
Correct Answer:
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Q17: If frequency increases,each cycle (period) _.
A) increases
B)
Q18: The following are all ultrasound frequencies except:
A)
Q19: Propagation speed is the speed at which
Q20: Sound requires a _ through which to
Q21: The attenuation of a 5.0 MHz transducer
Q23: The velocity of sound in human soft
Q24: If the beam area decreases,the intensity _.
A)
Q25: The average propagation speed in human soft
Q26: For perpendicular incidence,the incidence angle is _.
A)
Q27: If beam power increases,intensity _.
A) increases
B) decreases
C)
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