A telescope objective lens has a focal length of \( 100 \mathrm{~cm} \). When the final image is...

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A telescope objective lens has a focal length of \( 100 \mathrm{~cm} \). When the final image is formed at the least distance of distinct vision, the distance between the lenses is \( 105 \mathrm{~cm} \). Calculate the focal length of eye piece and magnifying power of telescope.
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