GCSE Physics – Introduction to ultrasound
Learning Objectives
-I can explain what ultrasound is
-I can describe uses of ultrasound scansÂ
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Question 1 of 26
1. Question
What are ultrasound waves?
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Question 2 of 26
2. Question
What is the rough frequency of most ultrasound waves?
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Question 3 of 26
3. Question
How are ultrasound waves made?
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Question 4 of 26
4. Question
What happens to ultrasound waves at boundaries?
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Question 5 of 26
5. Question
What is a boundary?
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Question 6 of 26
6. Question
Give an example of a medium
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Question 7 of 26
7. Question
At a boundary, what happens to the ultrasound waves that are not reflected?
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Question 8 of 26
8. Question
What is transmission?
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Question 9 of 26
9. Question
What do the rest of the ultrasound waves do?
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Question 10 of 26
10. Question
What does the partial reflection property mean?
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Question 11 of 26
11. Question
A pulse of ultrasound is partially reflected by an object. What has happened?
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Question 12 of 26
12. Question
What do scientists measure when sending ultrasound pulses?
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Question 13 of 26
13. Question
What can the time taken for ultrasound waves to reflect be used for?
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Question 14 of 26
14. Question
What can ultrasound be used for?
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Question 15 of 26
15. Question
How can ultrasound be used to find flaws in objects?
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Question 16 of 26
16. Question
If there is reflection of ultrasound, what has happened to a pipe?
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Question 17 of 26
17. Question
What else is ultrasound used for?
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Question 18 of 26
18. Question
What is echo sounding?
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Question 19 of 26
19. Question
If a ship receives echoes a long time after the ultrasound is sent, how deep is the water?
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Question 20 of 26
20. Question
If a ship receives echoes almost instantly after the ultrasound is sent, how deep is the water?
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Question 21 of 26
21. Question
What can echo sounding also be used to find?
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Question 22 of 26
22. Question
What do echo sounding, medical imaging and industrial imaging all rely on?
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Question 23 of 26
23. Question
Why is ultrasound used so much in the body for medical imaging?
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Question 24 of 26
24. Question
A pulse of ultrasound takes 4.5 s to travel from a submarine to the sea bed and back again. How far away is the seabed? (Speed of sound in water 1520 m/s)
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Question 25 of 26
25. Question
A pulse of ultrasound takes 9 s to travel from a submarine to the sea bed and back again. How far away is the seabed? (Speed of sound in water 1520 m/s)
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Question 26 of 26
26. Question
A pulse of ultrasound takes 0.5 s to travel from a submarine to the sea bed and back again. How far away is the seabed? (Speed of sound in water 1520 m/s)
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