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Waves, light and the electromagnetic spectrum
Quick questions on Lenses and the eye - CCEA GCSE Physics
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are forming images?Show answer
A converging lens can form a real image (one that can be projected onto a screen) when the object is beyond the focal length, as in a camera or the eye. When the object is closer than the focal length it acts as a magnifying glass, giving an enlarged, upright (virtual) image.
What is q1?Show answer
Which lens is thicker in the middle, converging or diverging? [1 mark]
What is q2?Show answer
Where does the eye form a sharp image? [1 mark]
What is q3?Show answer
State the lens used to correct short sight. [1 mark]
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