Science, asked by Shwetarana8478, 1 year ago

Find the power of a concave lens of focal length 2.5cm.

Answers

Answered by tanishq972003
1
STEP BY STEP,

GIVEN

CANCAVE LENS FOCAL LENGTH IS IN MINIUS

FOCAL LENGTH = - 2.5CM = -2.5/100 M

POWER= 1/F

= 1/-2.5/100

= 100/-2.5

=-40 D

I HOPE THIS WILL HELP YOU.

tanishq972003: and it also means they are properly blind
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