Which application uses refraction to focus light onto a specific point for clear vision?

Question

Which application uses refraction to focus light onto a specific point for clear vision? — Exam MCQ

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A. The human eye lens adjusting its shape — The correct choice is The human eye lens adjusting its shape. It follows from the laws of reflection/refraction and the standard image-formation properties of lenses, mirrors or optical systems.

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B. A plane mirror reflecting images

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C. A shadow formed behind an object

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D. A glass prism splitting sunlight

Which application uses refraction to focus light onto a specific point for clear vision?

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