Reflection of Light


   
 
Case II - Convex Mirror
The following rays are considered while constructing ray diagrams.

  • A ray of light travelling parallel to the principal axis after reflection from a convex mirror appear to come from its focus behind the mirror.

    image

  • A ray of light travelling towards the centre of curvature behind the mirror hits the mirror at 90o and is reflected along its path.

    image

  • A ray of light which is directed towards the principal focus of a convex mirror, after reflection will emerge parallel to the principal axis.
  • A ray of light incident obliquely to the principal axis, towards the pole of the mirror gets reflected according to the laws of reflection.
  • A convex mirror always gives a virtual image irrespective of the position of the object.

 
 
     
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