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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 potential energy of a 1 kg particle free to move along the x-axis is given by
- A thin prism of angle 15⁰ made of glass of refractive index µ₁ = 1.5 is combined
- A uniform force of (3i + j) newton acfs on a particle of mass 2kg
- Two capacitors of 10pF and 20pF are connected to 200V and 100V sources, respectively.
- Which wavelengths of sun is used finally as electric energy?
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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