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A thin convex lens of refractive index 1.5 has 20 cm focal length in air. If the lens is completely immersed in a liquid of refractive index 1.6, then its focal length will be
Options
(a) -160 cm
(b) -100 cm
(c) (+10 cm)
(d) (+ 100 cm)
Correct Answer:
-160 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 particle free to move along X-axis has potential energy given as U(X) =k(1-e⁻ˣ²)
- Ice is wrapped in black and white cloth. In which cases more ice will melt
- When a current of (2.5±0.5) A flows through a wire, it develops a potential difference
- Two point charges +2 coulomb and +10 coulomb repel each other with a force of 12 N.
- A block of mass 5 kg is moving horizontally at a speed of 1.5 m/s. A perpendicular force
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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