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Two lenses of power 15 D and -3 D are placed in contact. The focal length of the combinations is
Options
(a) 10 cm
(b) 15 cm
(c) 12 cm
(d) 8.33 cm
Correct Answer:
8.33 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 ratio of radii of planets A and B is K₁ and ratio of accelerations
- Two point objects of masses 1.5 g and 2.5 g respectively are at a distance of 16 cm
- If the dimensions of a physical quantity are givenby Mᵃ Lᵇ Tᶜ, then the physical
- An automobile moves on a road with a speed of 54 km h⁻¹. The radius of its wheels
- Consider 3rd orbit of He⁺(helium), using non-relativistic approach, the speed
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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