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Physics, 08.03.2021 15:30 annyarias1036

The image of an object formed by a lens has magnification -1. If the distance between the object and its image is 60cm, what is the focal length of the lens? If
the object is moved 20cm towards the lens ,where would the image be
formed?Draw a ray diagram to illustrate your answer?

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The image of an object formed by a lens has magnification -1. If the distance between the object an...
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