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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
- If doubly ionised lithium atom is hydrogen like with atomic number 3, the wavelength
- In intrinsic semiconductor at room temperature number of electrons and holes are
- A coin placed on a rotating turn table just slips,if it is placed at a distance
- A national roadway bridge over a canal is in the form of an arc of a circle of radius
- A stone of mass 1kg is tied to a string 4m long and is rotated at constant speed
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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