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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
- Function of a rectifier is
- A circular disc of radius R and thickness R/6 has moment of inertia I about an axis
- If the rise in height of capillary of two tubes is 6.6 cm and 2.2 cm
- 64 drops of mercury, each charged to a potential of 10 V, are combined
- The voltage gain of an amplifier with 9% negative feedback is 10. The voltage gain
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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