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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
- The liquid-crystal phase of a matter is called
- If by mistake voltmeter is connected in series and ammeter in parallel then
- The radioactivity of a certain material drops to 1/16 of the initial value in 2 hours.
- If h is the height of the capillary rise and r be the radius of capillary tube,
- A nucleus at rest splits into two nuclear parts having radii in the ratio 1:2.
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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