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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
  • A. 240o
  • B. 180o
  • C. 120o
  • D. 60o
  • E. 30o
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Correct Answer: Option B
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