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प्रश्न
In what unit is the power of a lens expressed?
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उत्तर
Its unit is Dioptre (D).
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संबंधित प्रश्न
Name the physical quantity whose unit is dioptre.
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Assertion and reasoning type
- Assertion: Myopia is due to the increase in the converging power of eye lens.
- Reason: Myopia can be corrected with the help of concave lens.
