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Q. No.An astronomical telescope has an objective and an eyepiece of focal lengths \(40\text{cm}\) and \(4\text{cm}\) respectively. To view an object \(200\text{cm}\) away from the objective, the lenses must be separated by a distance:
| 1. | \(46.0\text{cm}\) | 2. | \(50.0\text{cm}\) |
| 3. | \(54.0\text{cm}\) | 4. | \(37.3\text{cm}\) |
Subtopic: Telescope |
63%
From NCERT
NEET - 2016
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