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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Power dissipated in an LCR series circuit connected to an a.c source of emf ? is
- A parallel plate capacitor is charged and then isolated. The effect of increasing
- The focal lengths of a converging lens are fᵥ and fᵣ for violet and red lights
- The velocity of a particle at an instant is 10 ms⁻¹.After 3 s its velocity will become
- The rate of increase of thermo-e.m.f. with temperature at the neutral temperature
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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