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Define power of lens

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Define power of lens
  • 2 answers

Yash Ahuja 6 years, 8 months ago

The power of a lens is a measure of its degree of convergence or divergence of light rays incident on it.

Deni C 6 years, 8 months ago

The reciprocal of focal length of a lens is called power of lens. It's SI unit is Dioptres
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