Answers

2015-08-20T19:57:18+05:30
There are many uses of concave mirrors. One use of concave mirrors is that they are used in the headlights of cars. They are also used as shaving mirrors.
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2015-08-20T21:21:41+05:30
It is used in shaving mirror

it is used as light reflector in street lights and automobile lights
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