A student moves a lighted candle from infinity towards the focus of a convex lens. How does the size of the image change?

Question

A student moves a lighted candle from infinity towards the focus of a convex lens. How does the size of the image change? — Exam MCQ

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C. The image increases in size — The correct choice is The image increases in size. It follows from the laws of reflection/refraction and the standard image-formation properties of lenses, mirrors or optical systems.

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A. The image disappears

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B. The image remains the same size throughout

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D. The image decreases in size

A student moves a lighted candle from infinity towards the focus of a convex lens. How does the size of the image change?

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