Doppler ultrasound uses ultrasound to measure blood flow velocity. Suppose the device sends sound waves with a frequency of (3.5MHz) and the speed of sound in human tissues (1540m/s). What is the expected beat frequency if blood flows in the large vessels in the leg at a speed of (2 cm/s) directly and away from the source of the sound 9.2Hz 92Hz 920Hz 9.2KHz 0.92MHz
Doppler ultrasound uses ultrasound to measure blood flow velocity. Suppose the device sends sound waves with a frequency of (3.5MHz) and the speed of sound in human tissues (1540m/s). What is the expected beat frequency if blood flows in the large vessels in the leg at a speed of (2 cm/s) directly and away from the source of the sound 9.2Hz 92Hz 920Hz 9.2KHz 0.92MHz
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter13: Mechanical Waves
Section: Chapter Questions
Problem 30P
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