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Question 20Asked in RRB JE CBT-1, 25 Feb 2026, Shift 3 (4:30 PM)

A dentist uses a mirror to obtain a large image of a patient’s tooth. Which mirror should

A dentist uses a mirror to obtain a large image of a patient’s tooth. Which mirror should the dentist use and why?
  1. APlane mirror, because it gives a real image
  2. BConcave mirror, because it gives a magnified image
  3. CSpherical mirror, because it gives a virtual image
  4. DConvex mirror, because it gives a magnified image
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Correct answer: (B) Concave mirror, because it gives a magnified image

From RRB JE CBT-1 PYQ 25 Feb 2026, Shift 3 (4:30 PM)

This is question 20 of RRB JE CBT-1 PYQ 25 Feb 2026, Shift 3 (4:30 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.