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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
- If a gymnast, sitting on a rotating stool with his arms outstretched, suddenly
- An electric dipole of dipole moment p is placed in a uniform external electric field
- The horizontal range and maximum height attained by a projectile are R and H,respectively
- Electrical force is acting between two charges kept in vacuum. A copper plate
- The focal length of the objective of a terrestrial telescope is 80 cm
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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