The SI unit of the power of a lens (P) is .

metre

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dioptre

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pascal

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Solution

The correct option is B dioptre
The SI unit of the power of a lens (P) is dioptre.

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The SI unit of the power of a lens (P) is .

The correct option is B dioptreThe SI unit of the power of a lens (P) is dioptre.

The correct option is B dioptre
The SI unit of the power of a lens (P) is dioptre.