| ⇦ | 
| ⇨ |
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 super conductor exhibits perfect
- A particle of mass 1 mg has the same wavelength as an electron moving with a velocity
- If the minimum energy of photons needed to produce photoelectrons is 3 eV,
- Calcium plate has a maximum possible radiation wavelength 400 nm to eject electrons.
- An electron in potentiometer experiences a force 2.4×10⁻¹⁹N. The length of potentiometer
Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A super conductor exhibits perfect
- A particle of mass 1 mg has the same wavelength as an electron moving with a velocity
- If the minimum energy of photons needed to produce photoelectrons is 3 eV,
- Calcium plate has a maximum possible radiation wavelength 400 nm to eject electrons.
- An electron in potentiometer experiences a force 2.4×10⁻¹⁹N. The length of potentiometer
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