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प्रश्न
The power of a lens is negative. State whether it is convex or concave.
एका वाक्यात उत्तर
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उत्तर
It is a concave.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
The power of a lens is negative. State whether it is convex or concave.
It is a concave.