| ⇦ | 
| ⇨ |
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 hemispherical bowl of radius R is rotating about its axis of symmetry
- As a light wave travels from one medium to another which of its following properties
- In a primary coil 5 A current is flowing on 220 V. In the secondary coil 2200 V
- Two capacitors 3μF and 4μF, are individually charged across a 6 V battery.
- Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube.
Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A hemispherical bowl of radius R is rotating about its axis of symmetry
- As a light wave travels from one medium to another which of its following properties
- In a primary coil 5 A current is flowing on 220 V. In the secondary coil 2200 V
- Two capacitors 3μF and 4μF, are individually charged across a 6 V battery.
- Electrons with energy 80 keV are incident on the tungsten target of an X-ray tube.
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