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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
- A transistor is operated in common emitter configuration at constant collector
- A body of mass 120 kg and density 600 kg/m³ floats in water.
- Angle of contact of a liquid with a solid depends on
- A parallel beam of fast moving electrons is incident normally on a narrow slit.
- An ideal gas is expanding such that PT²=constant. The coefficient of volume
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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