GCSE Physics – Refraction
Learning Objectives
-I can describe what happens to the path of a wave when is refracted
-I can explain why refraction happens
Quiz Summary
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Question 1 of 24
1. Question
What is refraction?
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Question 2 of 24
2. Question
When does refraction occur?
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Question 3 of 24
3. Question
What materials does refraction occur between?
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Question 4 of 24
4. Question
When a wave enters another material, why does direction change?
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Question 5 of 24
5. Question
Why does direction change during refraction?
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Question 6 of 24
6. Question
What does changing speed of a ray cause, if the ray is travelling at an angle to the normal?
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Question 7 of 24
7. Question
Which part of a wave stays the same when it enters a new material?
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Question 8 of 24
8. Question
What speed do light waves travel at in different materials?
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Question 9 of 24
9. Question
How can you analyse refraction using a glass block?
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Question 10 of 24
10. Question
What do different materials always have?
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Question 11 of 24
11. Question
Which substance is more optically dense?
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Question 12 of 24
12. Question
Which substance is less optically dense?
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Question 13 of 24
13. Question
If a light ray moves from air to glass, what happens to it?
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Question 14 of 24
14. Question
If a light ray moves from glass to air, what happens to it?
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Question 15 of 24
15. Question
What happens when a light ray moves to a new substance?
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Question 16 of 24
16. Question
If a light ray enters a denser substance, what happens to speed?
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Question 17 of 24
17. Question
If a light ray enters a denser substance, what happens to direction?
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Question 18 of 24
18. Question
If a light ray enters a less dense substance, what happens to speed?
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Question 19 of 24
19. Question
If a light ray enters a less dense substance, what happens to direction?
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Question 20 of 24
20. Question
What is the relative speed of a light wave in a dense material?
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Question 21 of 24
21. Question
What is the relative speed of a light wave in a low density material?
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Question 22 of 24
22. Question
What is the formula for wave speed?
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Question 23 of 24
23. Question
If a wave slows down, what happens to its wavelength?
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Question 24 of 24
24. Question
If a wave speeds up, what happens to its wavelength?
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