When an object is placed at infinity in a concave lens, the image is formed at and if the object is placed between infinity and the optical centre of the lens, then the image is formed between focus and .

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Detailed Solution

When an object is placed at infinity in a concave lens, the image is formed at focus and if the object is placed between infinity and the optical centre of the lens, then the image is formed between focus and Optical centre.
When an object is placed at infinity in a concave lens, the image is formed at focus. The relative size of the image is highly diminished and point-sized, and the nature of the image is erect and virtual.
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When the object is placed between infinity and the optical centre of the lens, then the image is formed between Focus and the optical centre. As a result, the relative size of the image is smaller than the object's, and the image's nature will be erect and virtual.
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