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Question 20199
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Ray Optics: Number of Images in Two Mirrors MCQ

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Number of Images in Two MirrorsMediumQuestion 20199

Question

Two plane mirrors are placed at 60° to each other. Number of images formed of an object placed between them:
  1. A
    4
  2. B
    5
    Correct
  3. C
    6
  4. D
    3

Correct answer

5

Explanation

Number of images = 360°/θ − 1 = 360/60 − 1 = 6 − 1 = 5 (when 360/θ is an even integer).

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