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The magnifying power of the telescope is found to be 9 and the separation between the lenses is 20 cm for relaxed eye. The difference in focal lengths of the two lenses of the telescope (in cm) is (Integer only)

Answer» The magnifying power of the telescope is found to be 9 and the separation between the lenses is 20 cm for relaxed eye. The difference in focal lengths of the two lenses of the telescope (in cm) is (Integer only)


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