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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 nuclei of which one of the following pairs of nuclei are isotones?
- A point charge is kept at the centre of a metallic insulated spherical shell. Then
- An electric dipole of dipole moment p is placed in a uniform external electric field
- Which of the following transitions will have highest emission wavelength?
- A cylindrical tank is filled with water to a level of 3m. A hole is opened at a height
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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