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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 wooden stick 2 m long is floating on the surface of water. The surface tension
- The velocity v of waves produced in water depends on their wavelength λ, the density
- A student performs an experiment to determine the Young’s modulus of a wire
- At what height h above earth, the value of g becomes g/2 (where R=radius of earth)?
- A photosensitive metallic surface has work function, hν₀. If photons of energy
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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