Reflection of Light


   
 
Uses of Concave Mirror
The use of a concave mirror depends upon the distance of the object from the mirror. Some of the uses are listed below.
 
Uses of
Concave Mirrors
 
Concave mirrors are used for the following purposes:
 
 
 
 
 
The following table gives the position, size and nature of the image formed in a concave mirror corresponding to different positions of the object and the use of concave mirror.
 
 
Case II Convex Mirror
The following rays are considered while constructing ray diagrams.
 
A ray of light traveling parallel to the principal axis after reflection from a convex mirror appear to come from its focus behind the mirror.
 
 
A ray of light traveling towards the center of curvature behind the mirror hits the mirror at 90o and is reflected back along its path.
 
 
A convex mirror always gives a virtual image irrespective of the position of the object.
 
 
     
   
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