CAIE IGCSE Physics 3.2.3.8 Use of Converging and Diverging Lenses Questions

Practise matching long- and short-sighted image positions to converging or diverging correction lenses and interpret the corresponding eye-ray diagrams.

Exam points

Identify long-sighted focus behind the retina and select a converging correction lens; identify short-sighted focus before the retina and select a diverging lens; complete diagrams to move focus onto the retina.

[Maximum number: 3]

The lens in a magnifying glass is a converging lens.

Converging lenses are used in spectacles (glasses) to correct one problem with vision.

State the name of the problem and explain how a converging lens is used to correct it. You may draw a diagram.
name of problem:

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CAIE IGCSE Physics 3.2.3.8 Use of Converging and Diverging Lenses Questions question 1