(i) The mirror used by dentists is Concave mirror so that large images of teeth can be seen because concave mirror forms an enlarged image of the tooth and it is easy to locate the defect in the teeth.
(ii) Concave mirrors are used in solar furnaces as they are used as reflectors in solar furnaces. Concave mirrors helps in focusing the sun’s heat rays on the furnace. As a result, the solar furnace becomes very hot.
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