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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
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A condenser of 250 μF is connected in parallel to a coil of inductance of 0.16 mH
- In Raman effect, Stoke’s lines are spectral lines having
- If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
- The radioactivity of a certain material drops to 1/16 of the initial value in 2 hours.
- An electron is moving in a circular path under the influence of a transverse magnetic
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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