Question: (a) What is meant by a negative object distance? How can it occur? Find the image distance and magnification and state whether the image is

(a) What is meant by a negative object distance? How can it occur? Find the image distance and magnification and state whether the image is virtual or real and erect or inverted for a thin lens in air when

(b) s = –20 cm, f = +20 cm and

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a A negative object distance implies that the object is a virtual object ie that light rays con... View full answer

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