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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.
Related Questions: - In the half wave rectifier circuit operating from 50 Hz mains frequency,
- A particle is moving in a circle with uniform speed v. In moving from a point to another
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In the half wave rectifier circuit operating from 50 Hz mains frequency,
- A particle is moving in a circle with uniform speed v. In moving from a point to another
- Two positive ions, each carrying a charge q, are separated by a distance d
- An electron having charge e and mass m is moving in a uniform electric field E.
- In forward biasing of the p-n junction
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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