The Following Diagram in Given Below Shows an Object Oa and Its Virtual Image Ib Formed by a Lens. - Physics

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The following diagram in given below shows an object OA and its virtual image IB formed by a lens.

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Solution

(a)The lens is concave lens.
(b)The required diagram is 

(c)The focal length is measured from optical centre C to F2.

Concept: Concave Lens
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