| ⇦ | 
| ⇨ |
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 body is placed in an insulating container at temperature 227⁰C.
- Two wires of the same dimensions but resistivities p1 and p2 are connected in series
- The electric potential at a point in free space due to a charge Q coulomb is Q x 10¹¹ v
- The masses of two radioactive substances are same and their half lives
- A tuning fork of frequency x produces 4 beats with a source of 256 Hz and 8 beats
Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A body is placed in an insulating container at temperature 227⁰C.
- Two wires of the same dimensions but resistivities p1 and p2 are connected in series
- The electric potential at a point in free space due to a charge Q coulomb is Q x 10¹¹ v
- The masses of two radioactive substances are same and their half lives
- A tuning fork of frequency x produces 4 beats with a source of 256 Hz and 8 beats
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