| ⇦ | 
| ⇨ |
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: - The Davisson- Germer experiment is the direct evidence of
- A satellite A of mass m is at a distance r from the centre of earth. Another satellite
- During production of cathode ray
- A bullet is shot from a riffle. As a result the rifle recoils.The kinetic energy of riffle
- A point performs simple harmonic oscillation of period T and the equation of motion
Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The Davisson- Germer experiment is the direct evidence of
- A satellite A of mass m is at a distance r from the centre of earth. Another satellite
- During production of cathode ray
- A bullet is shot from a riffle. As a result the rifle recoils.The kinetic energy of riffle
- A point performs simple harmonic oscillation of period T and the equation of motion
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