Q. Which of the following mirror is used by a dentist to examine a small cavity?
A. Convex mirror
B. Plane mirror
C. Concave mirror
D. Combination of convex and concave mirror
Answer: Concave mirror
A. Convex mirror
B. Plane mirror
C. Concave mirror
D. Combination of convex and concave mirror
Answer: Concave mirror
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