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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 proton and an alpha particle both enter a region of uniform magnetic field B,
- When two identical capacitors are in series, they have 3 μF capacitance
- Two resistors of resistances 2Ω and 6Ω are connected in parallel.
- An amplifier has a voltage gain Av=1000. The voltage gain in dB is
- Under constant pressure, graph between P and 1/V is a
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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