GCSE Physics – Converging and diverging lenses
Learning Objectives
-I can distinguish between converging and diverging lenses
-I can describe an experiment to measure the focal length of a lens
-I can draw ray diagrams to show the action of converging lenses
-I can use ray diagrams to explain the principle of the simple camera
Quiz Summary
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Question 1 of 36
1. Question
Where is the principle focus?
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Question 2 of 36
2. Question
What letter do we use to label principle focus?
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Question 3 of 36
3. Question
What is the distance from the centre of the lens to the principle focus called?
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Question 4 of 36
4. Question
If a lens is made more curved, what happens to its power?
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Question 5 of 36
5. Question
If a lens is made more powerful, what happens to focal length?
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Question 6 of 36
6. Question
What is the axis of a lens?
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Question 7 of 36
7. Question
What happens if any light ray passes through the axis of a lens?
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Question 8 of 36
8. Question
How do lenses form images?
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Question 9 of 36
9. Question
Where are images formed?
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Question 10 of 36
10. Question
What are the two types of image that can be formed by lenses?
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Question 11 of 36
11. Question
What is a virtual image?
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Question 12 of 36
12. Question
What can’t a virtual image do?
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Question 13 of 36
13. Question
What is a real image?
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Question 14 of 36
14. Question
What can a real image do?
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Question 15 of 36
15. Question
What is the name for rays of light being brough together?
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Question 16 of 36
16. Question
What is a convex lens?
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Question 17 of 36
17. Question
What is the other name for convex lenses?
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Question 18 of 36
18. Question
What is the principle fous of a converging lens?
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Question 19 of 36
19. Question
What does a converging lens do to rays of light?
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Question 20 of 36
20. Question
What is the image produced from an object nearer than F from a coverging lens like?
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Question 21 of 36
21. Question
What is the image produced from an object at 2F from a coverging lens like?
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Question 22 of 36
22. Question
What is the image produced from an object between F and 2F from a coverging lens like?
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Question 23 of 36
23. Question
The image produced by a convex lens can be…
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Question 24 of 36
24. Question
What is the name for rays of light spreading out?
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Question 25 of 36
25. Question
What is a concave lens?
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Question 26 of 36
26. Question
What is the other name for concave lenses?
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Question 27 of 36
27. Question
What is the principle fous of a diverging lens?
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Question 28 of 36
28. Question
How do you find the virtual principle focus of a diverging lens?
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Question 29 of 36
29. Question
At what point are parallel rays brought together in a converging lens?
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Question 30 of 36
30. Question
What does a diverging lens do to rays of light?
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Question 31 of 36
31. Question
What is the image produced by a diverging lens like?
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Question 32 of 36
32. Question
The image produced by a concave lens is…
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Question 33 of 36
33. Question
When measuring focal length, what should be pointed at an object?
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Question 34 of 36
34. Question
When should you stop moving the position of the screen behind the lens?
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Question 35 of 36
35. Question
What distance should be measured when finding focal length?
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Question 36 of 36
36. Question
Where a lenses used?
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