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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 parallel plate capacitor with air between the plates has a capacitance of 9 pF.
- In a potentiometer experiment, the balancing with a cell is at length 240 cm.
- Excitation energy of a hydrogen like ion, in its first excitation state, is 40.8 eV.
- The position x of a particle with respect to time t along x-axis is given
- In Young’s experiment, the third bright band for light of wavelength 6000Å
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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