| ⇦ | 
| ⇨ |
Two identical thin plano-convex glass lenses (refractive index 1.5) each having radius of curvature of 20 cm are placed with their convex surfaces in contact at the centre. The intervening space is filled with oil of refractive index 1.7. The focal length of the combination is
Options
(a) (-20 cm)
(b) (-25 cm)
(c) (-50 cm)
(d) 50 cm
Correct Answer:
(-50 cm)
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A body is under stress F and has Young’s modulus Y, then the energy
- Which of the following is an example of ideal black body?
- The innermost orbit of hydrogen atom has a diameter 1.06Å. The diameter of tenth
- A particle of mass m executes simple harmonic motion with amplitude
- The ratio of the acceleration for a solid sphere(mass m and radius R)rolling down
Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body is under stress F and has Young’s modulus Y, then the energy
- Which of the following is an example of ideal black body?
- The innermost orbit of hydrogen atom has a diameter 1.06Å. The diameter of tenth
- A particle of mass m executes simple harmonic motion with amplitude
- The ratio of the acceleration for a solid sphere(mass m and radius R)rolling down
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