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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.
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The kinetic energy of particle moving along a circle of radius R depends
- For a diatomic gas charge in internal energy for unit charge in temperature for
- The ratio of the numerical value of the average velocity and average speed
- Masses of three wires of copper are in the ratio of 1:3:5 and their lengths
- A transformer of 100% efficiency has 200 turns in the primary coil and 40000 turns
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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