Home PYQs UPPSC UPPSC MCQs Prelims 2013 (GS Paper I)

Question

The mirror used by a dentist to examine the teeth of patients is

  1. Concave
  2. Convex
  3. Plane
  4. Cylinderical

Answer:

Option A: Concave

Detailed Solution:

The correct answer is “Concave”.

The dentist examines the patient's teeth through a concave mirror. A concave mirror is a spherical mirror with reflective surface curved inwards.