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To get three images of single object, one should have two plane mirrors at an angle of
Options
(a) 60⁰
(b) 90⁰
(c) 120⁰
(d) 30⁰
Correct Answer:
90⁰
Explanation:
Consider the diagram where two plane mirrors are inclined at an angle θ. Number of images formed in given by,
n = (360⁰/θ) – 1 ⇒ 3 = (360⁰/θ) – 1 ⇒ 360⁰/θ = 4 ⇒ θ = 90⁰
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a nuclear reactor, the number of U²³⁵ nuclei undergoing fissions per second
- The velocity v of waves produced in water depends on their wavelength λ, the density
- Mass of the nucleons together in a heavy nucleus is
- The coefficient of performance of a Carnot refrigerator working between 30⁰C and 0⁰C is
- The friction of the air causes a vertical retardation equal to 10%
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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