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प्रश्न
If the image formed by a lens for all positions of an object placed in front of it is always erect and diminished, what is the nature of this lens? Draw a ray diagram to justify your answer.
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उत्तर
The type of the lens is concave lens.
Ray diagram is shown below:
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
