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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
- Photocells convert
- A spring of spring constant 5 x 10³ Nm⁻¹ is streched intially by 5 cm from
- If a spring of spring constant k stretched by a length x under tension T, the energy
- Weber/m² is equal to
- A beam of light contains two wavelengths 6500Å and 5200Å.
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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