Physics, asked by natashakarware, 4 months ago


IF POWER OF LENS IS +4 AND -4D THEN WHAT TYPE OF THESE LENSE?
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Answers

Answered by samarendradas6969
1

Answer:

If the power of lens is -4.0 D, the lens is concave.

If the power of lens is -4.0 D, the lens is concave.The negative focal length indicates the person has a short-sightedness and the lens used to rectify the disability is a concave lens.

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