Question

A)the linear magnification of a concave lens is always positive why b)the linear magnification of a convex lens may be positives or negative why

Answer 1

Answer:

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Explanation:

(a) This is because a concave lens forms a virtual and erect image for any position of the object. <br>

(b) This is because image formed by a convex lens may be real and inverted for some positions of the object and image formed may also be virtual and erect for some other positions to the object.

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Answer 2

Answer:

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