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Question

Which of the following form virtual and erect image for all positions of a self-luminous object?

A
Convex lens
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B
Concave mirror
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C
None of the above
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D
Concave lens
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Solution

The correct option is D Concave lens
After the rays are refracted from a concave lens, they never converge and so there will be no real images. All concave lens images will be upright (erect), virtual, and diminished, and can be found between the F(focus) and the lens.

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