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Find the power of a concave lens of focal length 2 m.

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asked Dec 15, 2021 in Light – Reflection and Refraction by Doubtly (98.9k points)
edited Jun 29, 2023

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1 Answer

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answered Dec 15, 2021 by Doubtly (98.9k points)
selected Jun 29, 2023 by Doubtly

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Focal length of concave lens, f = 2 mPower of lens, P= 1/f = 1/(-2)= -0.5D

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