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Magnifying power of a terrestrial telescope of objective lens having focal length 200 cm is 40. Find the length of the telescope when the final image is formed at least distance of distinct vision, Focal length of erecting lens is 3 cm. |
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Answer» Magnifying power of a terrestrial telescope of objective lens having focal length 200 cm is 40. Find the length of the telescope when the final image is formed at least distance of distinct vision, Focal length of erecting lens is 3 cm. |
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