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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
- When the energy of the incident radiation is increased by 20%,
- If in a nuclear fusion process, the masses of the fusing nuclei be m₁ and m₂
- If the unit of force and length are doubled, then unit of energy will be
- Bragg’s law for X-rays is
- The period of oscillation of a mass M suspended from a spring of negligible mass is T
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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