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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
- A moving coil galvanometer of resistance 100 Ω is converted to ammeter by a resistance
- A 100Ω resistance and a capacitor of 100Ω reactance are connected in series
- If potential(in volts) in a region is expressed as V(x,y,z) = 6xy – y + 2yz,
- The electrons are emitted in the photoelectric effect from a metal surface
- Two bodies A and B have masses 20 Kg and 5 Kg respectively. Each one is acted
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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