Which mirror is used for reflection in case of street lamps?
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Concave mirror is used in street lamps.
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The street lamps consists of the surface which is used for the reflection of the light emanating from the source so that it can be spread through a large cover of area.
This shiny coated reflecting surface is bulged inwards and therefore, we can say that this is a Concave Mirror.
The source which is placed in between the Focus and the Pole of the mirror reflects the light to the wide area outside therefore, covering more area where light is spread over.
Therefore, the mirror used is Concave mirror in Street Lamps.
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