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If the image formed by a mirror for all positions of the object placed in front of it is always diminished, erect and virtual, state the type of the mirror and also draw a ray diagram to justify your answer. Write one use such mirrors are put to and why. - CBSE Class 10 - Science

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Question

 If the image formed by a mirror for all positions of the object placed in front of it is always diminished, erect and virtual, state the type of the mirror and also draw a ray diagram to justify your answer. Write one use such mirrors are put to and why.

Solution

The type of the mirror is convex mirror.  
Ray diagram is shown below: 

Use of convex mirror

A convex mirror always produces a smaller, virtual, and erect image of an object.  

In convex mirror, the length of the image is shorter than that of the object. Hence, it is used as a side view mirror in vehicles because the viewed area must be larger than the surface area of the mirror. The convex mirror forms images of vehicles that are spread over a relatively larger area. 

 

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Solution If the image formed by a mirror for all positions of the object placed in front of it is always diminished, erect and virtual, state the type of the mirror and also draw a ray diagram to justify your answer. Write one use such mirrors are put to and why. Concept: Representation of Images Formed by Spherical Mirrors Using Ray Diagrams - Convex Mirror.
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