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A concave mirror ia placed over a beaker containing water of (µ = 1.33) and image of the object placed at the bottom of beaker is formed at a distance of 25 cm from the top, then focal length of the mirror is
Options
(a) 10 cm
(b) 15 cm
(c) 20 cm
(d) 25 cm
Correct Answer:
20 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
- Ionization potential of hydrogen atom is 13.6 eV. Hydrogen atoms in the ground state
- Two metal spheres of radii 0.01m and 0.02m are given a charge of 15mC and 45mC
- The acceleration due to gravity becomes (g/2) where g=acceleration due to gravity
- The operation of a nuclear reactor is said to be critical, if the multiplication
- A magnet of length 10 cm and magnetic moment 1 A-m² is placed
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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