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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
- Thomson coefficient of a conductor is 10 µV/K. Its two ends are kept
- The resistance of a wire is 5 ohm at 50° C and 6 ohm at 100° C. The resistance
- An Electric charge does not have which of the following properties?
- Find out the e.m.f. produced when the current changes from 0 to 1 A in 10 sec.
- To what temperature should the hydrogen at room temperature (27°C) be heated at constant
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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