ZIMSEC O-Level Physics
10.3Lenses
Lenses in ZIMSEC O-Level Physics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic14 practice questions1 lesson
Overview
Form 4. No treatment of images formed by diverging lenses; no magnification calculations.
Learning objectives
What the syllabus expects you to be able to do.
- 10.3.1Describe the action of converging and diverging lenses on a beam of light.
- 10.3.2Draw ray diagrams to show the formation of real and virtual images by a converging lens.
- 10.3.3Explain how to measure the focal length of a converging lens.
- 10.3.4Describe magnification by a converging lens and the use of a single lens as a magnifying glass and to form a real image.
- 10.3.5Explain the use of lenses to correct short and long sight.
Lessons
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Thin lenses
32 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
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