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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
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In photoelectric emission process from a metal of work function
- In a transistor, the value of βis 100, then the value of α will be
- The electric potential at a point (x,y,z) is given by V = – x²y – xz³ + 4.
- When a spring is extended by 2 cm energy stored is 100 J. When extended further by 2 cm
- A gaussian sphere encloses an electric dipole within it. The total flux
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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