If the power of a lens is – 2 D, what is its focal length?

May 2, 2022

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If the power of a lens is – 2 D, what is its focal length?

Q. If the power of a lens is – 2 D, what is its focal length?

A. +50 cm

B. -100 cm

C. -50 cm

D. +100 cm

Answer: -50 cm

If the power of a lens is – 2 D, what is its focal length?

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