Where is an object placed when a converging lens forms no image at a finite distance?

Question

Where is an object placed when a converging lens forms no image at a finite distance? — Exam MCQ

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A. At the focus — At the focus, emergent rays are parallel and the image is at infinity. The source's phrase 'no image' means no finite image.

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B. At twice the focal length

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C. Beyond twice the focal length

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D. Before the focus