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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
- The number of significant figures in 0.06900
- The work function of metals is in the range of 2 eV to 5 eV.
- A car of mass 1000 kg negotiates a banked curve of radius 90 m on a frictionless
- A man measures time period of a pendulum(T) in stationary lift. If the lift moves upwards
- A transistor is working in common emitter mode. Its amplification factor is 80
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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