why concave mirror is used as reflecting surface in torch
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Answered by
44
concave mirror is used in torch because it is highly coated with reflective coating so that the reflector reflects the surrounding light
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Answered by
79
a concave mirror is used in torch lights , because the light ray from the source placed on the focus of a concave mirror are reflected in such a way that the reflected ray are strong, straight,and parallel.
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