a) In what S.I unit is the power of lens stated? A convex lens has a focal length of 50 cm. calculate its power ¿
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Answer: Hope it helps!! pls mark me as brainlist!! :)
Dioptre is the SI unit for measuring the power of a lens.
= 100/50 = 2 dioptre.
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The standard unit of power of lenses is Dioptres.
__________________
Given,
Focal length = 50 cm = 0.5m
Power = 1/Focal length
Power = 1/0.5
Power = 2 D
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