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