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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology(a) | the distance between the objective and the eyepiece is \(20.02\) m. |
(b) | the magnification of the telescope is \(-1000\). |
(c) | the image of the planet is erect and diminished. |
(d) | the aperture of the eyepiece is smaller than that of the objective. |
1. | (a), (b), and (c) | 2. | (b), (c), and (d) |
3. | (c), (d), and (a) | 4. | (a), (b), and (d) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA lens of large focal length and large aperture is best suited as an objective of an astronomical telescope since:
1. | a large aperture contributes to the quality and visibility of the images. |
2. | a large area of the objective ensures better light-gathering power. |
3. | a large aperture provides a better resolution. |
4. | all of the above. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology