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A terrestrial telescope has an objective lens and eyepiece of focal length 200 cm and 4 cm respectively. Separation between the objective lens and the eyepiece is 220 cm. The power of the erecting lens is n2 D. The value of n(integer only) |
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Answer» A terrestrial telescope has an objective lens and eyepiece of focal length 200 cm and 4 cm respectively. Separation between the objective lens and the eyepiece is 220 cm. The power of the erecting lens is n2 D. The value of n |
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