Question

Two plane mirrors are placed making an ange 60° in between them. For an object placed in between the mirrors, the number of images formed will be .
(a) 3
(b) 6
(c) 5
(d) infinite.

  • Reflection of Light Class 9 ICSE
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Answer

5

Reason

n = 360\over θ

= 360\over 60 = 6 (even)

Hence, number of images formed = n – 1

= 6 – 1

= 5

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