The radius of the convex surface of a plano-convex lens is 20 cm and the refractive index

The Radius Of The Convex Surface Of A Planoconvex Lens Physics Question

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:

  1. The difference in the variation of resistance with temperature in a metal
  2. Two circuits have a mutual inductance of 0.1 H. What average e.m.f. is induced
  3. Two poles of same strength attract each other with a force of magnitude F
  4. A ball is dropped into a well in which the water level is at a depth h below the top
  5. When alpha particles captures and electron, then it becomes a

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.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*