GCSE Physics – Optical fibres
Learning Objectives
-I can explain how optical fibres rely on total internal reflection for their operation
-I can describe the advantages and disadvantages of optical fibres and geosynchronous / geostationary satellites for long distance communication
-I can name some uses of optical fibres
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Question 1 of 25
1. Question
What is an optical fibre?
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Question 2 of 25
2. Question
What is an optical fibre made from?
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Question 3 of 25
3. Question
What do optical fibres rely on to work?
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Question 4 of 25
4. Question
What repeated process happens inside the optical fibre tube?
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Question 5 of 25
5. Question
As well as total internal reflection, what other process is occurring during an optical fibre?
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Question 6 of 25
6. Question
What happens as the light hits the end of an optical fibre?
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Question 7 of 25
7. Question
What angle is the angle of incidence smaller than when leaving the optical fibre?
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Question 8 of 25
8. Question
What angle is the critical angle larger than when leaving the optical fibre?
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Question 9 of 25
9. Question
What is an advantage of using optical fibres compared to geosynchronous/geostationary satellites for communication?
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Question 10 of 25
10. Question
What is an advantage of using optical fibres compared to geosynchronous/geostationary satellites for communication?
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Question 11 of 25
11. Question
What is an advantage of using geosynchronous/geostationary satellites compared to optical fibres for communication?
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Question 12 of 25
12. Question
What is an advantage of using geosynchronous/geostationary satellites compared to optical fibres for communication?
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Question 13 of 25
13. Question
What can optical fibres be used for?
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Question 14 of 25
14. Question
What can optical fibres be used for?
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Question 15 of 25
15. Question
What type of communication are optical fibres used for?
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Question 16 of 25
16. Question
When can optical fibres be used in the medical industry?
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Question 17 of 25
17. Question
What is an endoscope?
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Question 18 of 25
18. Question
What are endoscopes used to help diagnose?
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Question 19 of 25
19. Question
What type of surgery are endoscopes used in?
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Question 20 of 25
20. Question
When can optical fibres be used in the medical industry?
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Question 21 of 25
21. Question
What does CT stand for?
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Question 22 of 25
22. Question
What are CT scans?
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Question 23 of 25
23. Question
What type of image does a CT scan produce?
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Question 24 of 25
24. Question
What is an advantage of using an endoscope compared to a CT scan?
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Question 25 of 25
25. Question
What is an advantage of using a CT scan compared to a endoscope?
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