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The power of a lens is +5 diopters. What...

The power of a lens is +5 diopters. What is the nature and focal length of this lens? At what distance from this lens should an object be placed so as to get its inverted image of the same size?

Text Solution

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P = +5D
`f= 1/P =(100)/(5) = 20 cm`
Nature of lens = convex (converging)
Distance is 40 cm (at C)
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