A ray from a fixed object is incident on a plane mirror at an angle…

Physics WAEC 2006

A ray from a fixed object is incident on a plane mirror at an angle of 20o. If the mirror is rotated through 30o by how many degree would the reflected ray rotate?

  • 60o checkmark
  • 50o
  • 40o
  • 30o

The correct answer is: A

Explanation

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