Ranbir claims to have obtained an image twice the size of the object with a concave lens. Is he correct? Give a reason for your answer

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Solution

Concave lens cannot form an image whose size is twice as that of the object. By the concave lens only small size upright images can be obtained.

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Can a concave lens form an image of size two times that of the object ? Give reason.

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Question 8

An image formed by a lens is erect. Such an image could be formed by a

(a) convex lens provided the image is smaller than object.

(b) concave lens provided the image is smaller than object.

(d) concave lens provided the image is of the same size.

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