A wire mesh consisting of very small squares is viewed at a distance of 8 cm through a magnifying converging lens of focal length 10 cm , kept close to the eye. The magnification produced by the lens

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A wire mesh consisting of very small squares is viewed at a distance of 8 cm through a magnifying converging lens of focal length 10 cm , kept close to the eye. The magnification produced by the lens is

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u = − 8 cm , f = 10 cm As, v 1 ​ − u 1 ​ = f 1 ​ , ∴ v 1 ​ = f 1 ​ + u 1 ​ = 10 1 ​ + − 8 1 ​ = 10 1 ​ − 8 1 ​ = 40 4 − 5 ​ = 40 − 1 ​ or, v = − 40 cm . Magnification produced by the lens, m = u v ​ = − 8 − 40 ​ = 5 . This is a virtual image, erect and on the same side as the object.

Physics - Geometrical Optics Question with Solution | TestHub

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