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SPI Ultrasound Physics- Questions Practice Exam
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SPI Ultrasound Physics- Questions Practice Exam
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SPI Ultrasound Physics- Questions Practice ExamWhat are the units of Wavelength? Correct Answer: millimeters
What are the units of Frequency? Correct Answer: Hertz
What are the units of Intensity? Correct Answer: Watts/cm 2
What are the units of propagation speed? Correct Answer: meters/sec
What are the units of period? Correct Answer: second
power Correct Answer: watts
Wavelength is determine by ________. Correct Answer: medium and sound
source
Frequency is determine by ________. Correct Answer: sound source
Intensity is determine by ________. Correct Answer: sound source
Propagation speed is determine by ________. Correct Answer: medium
Period is determine by ________. Correct Answer: sound source
Power is determine by ________. Correct Answer: sound source
Which parameters can be changed by the operator? Correct Answer: Amplitude,
intensity, power
The power in the beam is 1 watt and the area is 5cm2. What is the beam's
intensity? Correct Answer: 0.2 w/cm2
If intensity remains the same while the power is doubled, what happens to beam
area? Correct Answer: doubled
If frequency of sound is doubled, what happens to wavelength? Correct Answer:
Wavelength is halved.
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