| ⇦ | 
| ⇨ |
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: - The moment of inertia of a uniform circular disc of radius R and mass M about an axis
- A parallel beam of light of wavelength λ is incident normally on a narrow slit
- A certain current on passing through a galvanometer produces a deflection
- If the pressure of gas is increased from 1.01×10⁵ Pa to 1.165×10⁵ Pa and volume
- A parallel plate capacitor is charged and then isolated. The effect of increasing
Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The moment of inertia of a uniform circular disc of radius R and mass M about an axis
- A parallel beam of light of wavelength λ is incident normally on a narrow slit
- A certain current on passing through a galvanometer produces a deflection
- If the pressure of gas is increased from 1.01×10⁵ Pa to 1.165×10⁵ Pa and volume
- A parallel plate capacitor is charged and then isolated. The effect of increasing
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