Physics, asked by kavithamahesh159, 6 months ago

doctor advised to use -4D lens find the focal length in metres and what do you infer about nature of the lens

Answers

Answered by ReRepeater

0

Answer:

-ve means the lens is concave

Explanation:

The person is having the eye problem Myopia which is short sitedness that is he can see near but not far distance

Focal length = 1/ P = 25 cm

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