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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
- An ideal gas is expanding such that PT²=constant. The coefficient of volume
- What are the unit of K = 1 / (4 π ?￢ﾂﾒ)
- Copper and carbon wires are connected in series and the combined resistor is kept
- Three resistances 2Ω, 3Ω and 4Ω are connected in parallel. The ratio of currents passing
- A photocell employs photoelectric effect to convert
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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