The Doppler Effect using ultrasonic waves of frequencies 2.25 × 106 H z is used to monitor the heart- beat of a fetus. A
Posted: Sat Jul 02, 2022 7:04 pm
The Doppler Effect using ultrasonic waves of frequencies 2.25 ×106 H z is used to monitor the heart- beat of a fetus. A (maximum)beat frequency of 240Hz is observed. Assuming that the speed ofsound in tissue is 1540m/s, calculate the maximum velocity of thesurface of the beating heart.