How a concave mirror is used in head lights and search lights to throw light at a long distance?
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concave mirror is used in head lights and throw lights at long distance because it diverge light at long distance .
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concave mirrors have wide field veiw that is if light ray falls on it then it reflect back( diverges) but whereas in convex there will be narrow field veiw Nd it converges light rays
so concave mirrors r used in head lights Nd torches.
so concave mirrors r used in head lights Nd torches.
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