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Convex Mirror

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Topics

description

  • Convex Mirror
  • Characteristics of Convex Mirror
  • Image formation by Convex Mirror
  • Convex Mirror Ray Diagram
  • Uses of Convex Mirror

notes

IMAGE FORMATION BY CONVEX MIRROR

There are only two possibilities of position of object in the case of a convex mirror, i.e. object at infinity and object between infinity and pole of a convex mirror.

Object at infinity

When the object is at the infinity, a point sized image is formed at principal focus behind the convex mirror.

 Image is highly diminished, virtual and erect.

Object between infinity and pole: 

When the object is between infinity and pole of a convex mirror, a diminished, virtual and erect image is formed between pole and focus behind the mirror.

 Image is diminished, virtual and erect.

Positions and Nature of Image in Convex Mirror
Position of Object Position of Image Size of Image Nature of Image
At infinity At F, behind mirror Highly diminished Virtual and erect
Between infinity and P Between F and P, behind mirror Diminished Virtual and erect

 

notes

Uses of Convex Mirror:

  • Convex mirror is used in rear view mirror of vehicles; so that the driver can see the traffic coming from behind. The field of view is widest in case of a convex mirror, which enables it to show a wider area from behind.
  • Convex mirror is used on hairpin bends on the road; so that the driver can see the traffic approaching from another side of the bend.
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Shaalaa.com | Light Reflection and Refraction part 7 (Image formation Convex Mirror)

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Light Reflection and Refraction part 7 (Image formation Convex Mirror) [00:03:31]
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