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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
- Electron in hydrogen atom first jumps from third excited state to second excited
- A particle of mass 1 mg has the same wavelength as an electron moving with a velocity
- A national roadway bridge over a canal is in the form of an arc of a circle of radius
- Two spherical conductors A and B of radii 1 mm and 2 mm are separated by a distance
- In a parallel plate capacitor of capacitance C, a metal sheet is inserted
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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