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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
- The sum of the magnitudes of two forces acting at a point is 16 N
- At 10⁰C the value of the density of a fixed mass of an ideal gas divided by its pressure
- Zener diode is used
- Two charges each equal to 2µ C are 0.5m apart. If both of them exist inside vacuum
- Moment of inertia of a uniform circular disc about a diameter is I. Its moment
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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