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The focal length of the objective of a terrestrial telescope is 80 cm and it is adjusted for parallel rays, then its power is 20. If the focal length of erecting lens is 20 cm, then full length of the telescope will be
Options
(a) 164 cm
(b) 124 cm
(c) 100 cm
(d) 84 cm
Correct Answer:
164 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
- If a wire is stretched to four times its length, then the specific resistance
- Which of the following parameters does not characterize the thermodynamic state
- A block of mass 10 kg is moving in X-direction with a constant speed of 10 ms⁻¹
- A body of mass 4 kg is accelerated upon by a constant force travels
- A particle of mass M is executing oscillations about the origin on the x-axis.
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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