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  • Draw ray diagrams showing the image formation by a concave lens when an object is placed (a) at the focus of the lens (b) between focus and twice the focal length of the lens (c) beyond twice the focal length of the lens

Draw ray diagrams showing the image formation by a concave lens when an object is placed

(a) at the focus of the lens

(b) between focus and twice the focal length of the lens

(c) beyond twice the focal length of the lens

Answers (1)

Explanation:-

A concave lens always forms a virtual, erect, and diminished image, no matter where the object is placed in front of it.

(a) at the focus of the lens

Virtual, erect, and diminished (on the same side as the object)

(b) between focus and twice the focal length of the lens

Virtual, erect, and diminished (on the same side as the object)

(c) beyond twice the focal length of the lens

Virtual, erect, and diminished (on the same side as the object)

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