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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
- If the nucleus ²⁷₁₃Al has nuclear radius of about 3.6 fm
- The energy released by the fission of one uranium atom is 200 MeV.
- Electric potential at any point is V= -5x +3y + √(15) z. Then the magnitude of electric
- Find the fundamental frequency of a closed pipe if the length of air column is 42m.
- The molar specific heat at constant pressure of an ideal gas is (7/2)R. The ratio
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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