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Devices Made Using Plane Mirrors

If the image ...

Question

If the image formed by a mirror for all positions of the object placed in front of it is always erect and diminished, what type of mirror is it? Draw a ray diagram to justify your answer. Where and why do we generally use this type of mirror?

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Solution

A convex mirror is always used forerect diminished virtual image for all the positions of the object placed in front of it.

Generally convex mirror is used as rear view mirrors in automobiles and as reflectors in street light bulbs as well as in parking lots.

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