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Grades 11 and 12 - Physics - Senior High School - Medical Physics - Ultrasound
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Avg score: 57% • Most missed: “Which of the following can be a use of ultrasound waves?”
Grades 11 and 12 - Physics - Senior High School - Medical Physics - Ultrasound
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10 Questions

1. Which of the following is/are advantages of ultrasound used in medical scanning?
2. Which of the following statements is correct?
3. The speed of ultrasound in air is 330 m/s. How far away is a car if an ultrasound wave is sent to it along a road and takes 0.1 s to return?
4. The speed of ultrasound in metal is 5,000 m/s. How far away is a crack in the metal if an ultrasound wave is sent through the metal and is reflected back from the crack to the detector in 0.01 ms?
5. Which of the following can be a use of ultrasound waves?
6. Ultrasound waves travel approximately 1,500 m/s in water. A boat sends out an ultrasound wave to the bottom of the ocean. It takes 0.5 seconds for the wave to hit the bottom of the floor and reflect back to the detector. How deep is the ocean floor below the boat?
7. Which of the following is/are disadvantages of ultrasound?
8. What is the frequency above which a sound wave is known as ultrasound?
9. Which formula correctly relates speed, distance and time?
10. Which of the following are medical uses of ultrasound?

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