Question

in which situation the lens is used in reparing of watch​

Answer 1

Explanation:

A convex lens is used by watch repair men. The object is kept between the focus and optical center of the lens and an enlarged and erect image is obtained of it. This helps to see the parts clearly. Please refer to the diagram of convex lens for object between focus and optical center given in your study material.

Answer 2

Answer:

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