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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 moves along a circle of radius 20/π m with constant tangential acceleration
- Time taken by light to cross a glass slab of thickness 4 mm and refractive index 3 is
- The total energy of a simple harmonic oscillator is proportional to
- A cell can be balanced against 110 cm and 100 cm of potentiometer wire, respectively
- An object moving with a speed of 6.25 m/s, is deaccelerated at a rate given by
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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