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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
- A particle of mass m executes simple harmonic motion with amplitude
- A certain number of spherical dropes of a liquid of radius r coalesce to form a single
- On a frictionless surface, a block of mass M moving at speed v collides elastically
- An experiment takes 10 minutes to raise temperature of water from 0⁰C to 100⁰C
- When the length of the vibrating segment of a sonometer wire is increased by
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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