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[" (a) A "5cm" tall object is placed per...

[" (a) A "5cm" tall object is placed perpendicular to the principal axis of a convex lens of "],[" focal length "20cm" .The distance of the object from the lens is "30cm" .Find the position,"],[" nature and size of the image formed."],[" (b) Draw a labelled ray diagram showing object distance,image distance and focal "],[" length in the above case."]

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