Write various uses of concave mirror in everyday life?

(1) In medical equipments, scanner, CD player -
These instruments use laser light. For proper working of these instruments concave lenses are used.
(2) spectacles -Concave lenses are used in spectacles to correct Myopia (Nearsightedness).
(3) Torch-Concave lenses is used to spread widely the light produced by a small bulb inside a torch.
(4) The peep hole in door-This is a small safety device which helps us see a large area outside the door. This uses one or more Concave lenses.

Hope it helps you...!

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