Reflection of Light


   
 
Formation of Image in a Convex Mirror

When the Object is Placed Between Infinity and the Pole of the Mirror

The image is

  • Formed between the pole and the focus
  • Erect
  • Diminished
  • Virtual

image

When the Object is at Infinity

The image is

  • Formed at the focus
  • Extremely diminished
  • Virtual
  • Erect

image

Position of the object Position of the image Size of the image Nature of the image
At infinity At focus Extremely diminished Virtual and erect
Between infinity and pole of the mirror Between the focus and pole Diminished Virtual and erect

Uses of Convex Mirror

Rear-view mirror in an automobile. This convex mirror gives the driver a clear view of the traffic approaching from behind as convex mirrors are curved outwards giving a wider field of view. image
Vigilance mirror in departmental stores image
Reflector in street lamps so as to diverge the light over a large area image

 
 
     
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