⇦ | ![]() | ⇨ |
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.
Related Questions:
- A spring of spring constant 5 x 10³ Nm⁻¹ is streched intially by 5 cm from
- A body of mass m slides down an incline and reaches the bottom
- Current in a coil changes from 4 A to zero in 0.1 second and the emf induced is 100V
- If sink is at a temperature of -39⁰C and source at 0⁰C, then efficiency will be
- If the dimensions of a physical quantity are givenby Mᵃ Lᵇ Tᶜ, then the physical
Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply