| ⇦ | 
| ⇨ |
The radius of the convex surface of a plano-convex lens is 20 cm and the refractive index of material of the lens is 1.5. The focal length of lens is
Options
(a) 30 cm
(b) 50 cm
(c) 20 cm
(d) 40 cm
Correct Answer:
40 cm
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions:
- A parallel plate capacitor of a capacitance 1 pF has seperation between the plates
- A body of length 1 m having cross-sectional area 0.75 m² has heat flow through it
- Two bullets are fired simultaneously, horizontally and with different speeds
- A boy standing at the top of a tower of 20m height drops a stone
- MA⁻¹T⁻² is the dimensional formula of
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