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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
- An electric dipole of dipole moment p is placed in a uniform external electric field
- The magnetic flux linked with a circuit of resistance 100Ω increases from 10 to 60 Wb.
- The liquid-crystal phase of a matter is called
- A galvanometer having internal resistance 10Ω requires 0.01 A for a full scale
- When the angle of incidence is 60° on the surface of a glass slab, it is found
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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