Which of the following optical devices always gives virtual, erect and diminshed image irrespective of the position of the object?
A
Convex lens
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B
Concave lens
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C
Concave mirror
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D
Plane mirror
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Solution
The correct option is B Concave lens Among all the options, concave lens gives an image which is diminished in size, and erect for all the positions of the object,.