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image distance using a telescope

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Using formula
1/f = 1/o + 1/i

Find the image distance i for an object that is 2,000,000 mm from a 250-mm telephoto lens

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Solution Summary

The solution calculates the image distance using the thin lens formula.

Solution Preview

here, the focal length f = 250 mm,
the distance of the object o = 2000000 mm from th ...

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