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Gagan Mishra

Class 12th
Physics
2 years ago

The focal length of a lens is 50 centimetre. Its power is:   A) 50 dioptreB) 1 dioptreC) 10 dioptreD) 2 dioptre

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Vivek Singh

2 years ago

2 dioptre

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Abhishek Mishra

2 years ago

2 dioptre = 100/50 = 2 dioptre.

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Nishtha Tiwari

2 years ago

2 dipole

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