An image formed by a lens is erect and diminished. Such an image could be formed by the__?

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convex lens provided the image is smaller than the object

concave lens provided the image is smaller than the object

a concave lens provided the image is larger than the object

concave lens provided the image is of the same size

answer is B.

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Detailed Solution

An image formed by a concave lens is erect and diminished. Such an image could be formed by the concave lens provided the image is smaller than the object. A concave lens which is also known as a diverging lens, can only form a virtual, erect and diminished image of an object when the position of the object is at infinity. In contrast, a virtual and erect image formed by a convex lens is always magnified. Thus, the image formed by a concave lens provided the image is smaller than an object.

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