| ⇦ | 
| ⇨ |
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 neutron moving with velocity v collides with a stationary particle
- The electric potential at a point (x,y,z) is given by V = – x²y – xz³ + 4.
- The minimum number of NAND gates used to construct an OR gate is
- If the r.m.s. velocity of a gas is v, then
- The ionisation energy of hydrogen is 13.6 eV. The energy of the photon released
Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A neutron moving with velocity v collides with a stationary particle
- The electric potential at a point (x,y,z) is given by V = – x²y – xz³ + 4.
- The minimum number of NAND gates used to construct an OR gate is
- If the r.m.s. velocity of a gas is v, then
- The ionisation energy of hydrogen is 13.6 eV. The energy of the photon released
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