Physics, asked by nitharak, 9 months ago

the power of a lens is -1.5 D find its focal length



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Answered by selliamman6872
8

Answer:Answer: Power of a lens is -2D, negative sign indicates it is a Concave lens. Focal length (in meters)=1/power of the lens, thus focal length=1/2=0.5m=50cm.

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Answered by Anonymous
5

Explanation:

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