what is the image formation by concave lens
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A diminished, virtual and erect image is formed between principal focus F1 and optical centre, O; when object is placed between optical centre and infinity of a concave lens. Properties of Image: Image is diminished, virtual and erect.
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Concave Lenses
When an object is placed at infinity, a virtual image is formed at the focus. The size of the image is much smaller than that of the object.
Concave And Convex
When an object is placed at a finite distance from the lens, a virtual image is formed between the pole and the focus of the convex lens. The size of the image is smaller than that of the object.
Concave And Convex
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