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    science
    Grade-7
    Easy

    Question

    An imaginary line drawn perpendicular to the reflecting surface is called the  ____.
     

    1. Incident ray
    2. Reflected ray
    3. Normal
    4. Reflecting plane

    Hint:

    Normal is perpendicular to reflecting surface.

    The correct answer is: Normal

      • A normal is an imaginary line drawn perpendicular to the reflecting surface at the point of incidence.
      • So, the correct option is c.

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