An object is 12cm to the left of a lens with f20cm a
An object is 12cm to the left of a lens with f=20cm. a secondlens with f=4cms is 2cms to the right of the first lens. find theimage distance as measured from the second lens?
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an object is 12cm to the left of a lens with f20cm a secondlens with f4cms is 2cms to the right of the first lens find
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