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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