Short Notes: Reflection of Light

The bouncing back of rays of light from a polished and shiny surface is called reflection of light.

Types of Mirror

  • Plain Mirror

Spherical/ Curved Mirror
(a) Concave Mirror: With reflecting surface curved inward
(b) Convex Mirror: With reflecting surface curved outward
Types of Images

  • Real Image
  • Virtual Image

 

Laws of Reflection of light

  • The angle of incidence and angle of reflection is equal.
  • The incident ray, reflected ray and normal to the point of reflection lie in the same plane.

Important terms

  • Pole:The center of reflecting surface of a spherical mirror
  • Center Of Curvature:The center of sphere; of which the reflecting surface of a spherical mirror is a part.
  • Radius Of Curvature:The radius of sphere; of which the reflecting surface of a spherical mirror is a part.
  • Principal Axis: Imaginary line passing through the center of curvature and pole of a spherical mirror
  • Principal Focus: Point on principal axis at which parallel rays; coming from infinity; converge after reflection

Keep Learning…

After going through these important points, go through the videos and discussion in the Eckovation app.
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