An object is placed 3 m away from a lens which forms its image at a distance of 1 m on the same side of the lens where the object is placed .Find the power of the lens . What is the type of lens is used ?
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hope it help you my friend.
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cai:
it will be concave lens
how
ya ya now i found it that image is fromed on the same side of the lens
hmm plz mark it
ok
please send one more time its not understanding
ok
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the power of the concave lens is -2/3 D
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ya my answer is also correct but l forgot to put _
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