Physics, asked by dipaligupta2006, 5 hours ago

if the power of a lens is -2D. what is the focal length ?

Answers

Answered by minnup

Explanation:

So, the focal length will be 2.5m. If the Power of lens value is +ve, then the focal length will be +2.5m and when the power of lens value is -ve, then the focal length will be -2.5m.

Answered by archananahak12

Answer:

-0.5m is the focal length

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if the power of a lens is -2D. what is the focal length ? ​

Answers

if the power of a lens is -2D. what is the focal length ?