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प्रश्न
The mirror used by a dentist to examine the teeth of a person is:
(d) any one of the above
(a) convex
(b) concave
(c) plane
(d) any one of the above
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उत्तर
concave
A concave mirror is used by a dentist to examine the teeth of a person.
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
