Two mirrors are inclined as shown in the diagram. A ray of light RO strikes…

Physics WAEC 1991

Two mirrors are inclined as shown in the diagram. A ray of light RO strikes the arrangement at O and emerges along PO. The emergent ray has been deviated through

  • 240o
  • 180o checkmark
  • 120o
  • 60o
  • 30o

The correct answer is: B

Explanation

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