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Question

It is given that the image formed is virtual, erect, enlarged and on the same side as that of the object. Object is placed between the focus and the device. Find which optical device is used.

A
Convex lens
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B
Concave lens
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C
Gass slab mirror
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D
Simple mirror
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Solution

The correct option is A Convex lens
Convex mirror and concave lens does not form enlarged image and concave mirror never forms erect image at the same side of object. A convex lens forms a virtual, erect, enlarged image on the same side that of object when the object is between focus and lens. This concludes that the device will be convex lens.
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