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Unilorin Post-UTME Physics 2023 (Model questions) Question 10

Question 10

Light and Reflection

Two plane mirrors are inclined at an angle of 60° to each other. Determine the number of images in the two mirrors?

  1. A.5
  2. B.2
  3. C.6
  4. D.7
Show the answer and explanation

Answer: A (5)

Explanation

Number of images = 360°/θ − 1 = 360/60 − 1 = 5.