Question

Q(i) Rohit claims to have obtained an image twice the size of object with a concave lens. Is he correct? Give reason for your answer.
(ii) Where should an object be placed in case of a convex lens to form an image of same
size as of the object? Show with the help of ray diagram the position and the nature of
the image formed.
(m) With the help of ray diagram, illustrate the change in position, nature and size of the image formed if the convex lens in case of (ii) is replaced by concave lens of same focal
length.
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Answer 1

Answer:

(i) No, as a concave lens always form a diminished image of an object. (iii) Image will be virtual, diminished, erect and formed between focus and optical centre of concave lens.