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An astronomical telescope arranged for normal adjustment has a magnification of 6. If the length of the telescope is 35 cm, then the focal lengths of objective and eye-piece rspectively, are
Options
(a) 30 cm, 5 cm
(b) 5 cm, 30 cm
(c) 40 cm, 5 cm
(d) 30 cm, 6 cm
Correct Answer:
30 cm, 5 cm
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The radius of the convex surface of a plano-convex lens is 20 cm and the refractive index
- Energy bands in solids are a consequence of
- Two particles are oscillating along the same line with the same frequency
- A toroid having 200 turns carries a current of 1 A. The average radius of the toroid
- If a small sphere is let fall vertically in a large quantity of still liquid of density
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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