A virtual and erect image is formed exactly between optical centre and the principal focus on that very side of the concave lens.
Class 12 Physics Chapter 9 Ray Optics and Optical Instruments Session 2024-2025.
An object is placed at the focus of a concave lens. Where will its image be formed?
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When an object is placed at the focus of a concave lens, its image is formed on the same side as the object. The image is virtual, erect, and highly diminished, appearing closer to the lens.
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