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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
- In a circuit, 5% of total current passes through a galvanometer. If resistance
- If the earth shrink such that its mass does not change but radius decreases to one
- The radius of a nucleus of mass number A is directly proportional to
- A ballet dancer, dancing on smooth floor, is spinning about a vertical axis
- Two bodies A and B have masses 20 Kg and 5 Kg respectively. Each one is acted
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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