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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 particle is under two mutually perpendicular simple harmonic motions
- A bullet comes out of the barrel of gun of length 2m with a speed of 800 m/s
- The drift speed of electrons in copper wire of diameter and length l is v.
- In an electrical circuit R,L,C and an AC voltage source are all connected in series.
- Two charges each equal to 2µ C are 0.5m apart. If both of them exist inside vacuum
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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