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Q: If you look into a mirror and find that the image (your reflection) is smaller than you, then the type of mirror is:
  • A. plano-concave mirror
  • B. concave mirror
  • C. plane mirror
  • D. convex mirror
Correct Answer: Option D - A mirror whose reflective surface is facing outwards is called a convex mirror. The image formed on a convex mirror is virtual, erect and behind the mirror and smaller than the object, between the pole and the focus. Therefore, if your image in the mirror is smaller than you, then the mirror will be convex. This mirror is used as a rear view mirror in vehicles.
D. A mirror whose reflective surface is facing outwards is called a convex mirror. The image formed on a convex mirror is virtual, erect and behind the mirror and smaller than the object, between the pole and the focus. Therefore, if your image in the mirror is smaller than you, then the mirror will be convex. This mirror is used as a rear view mirror in vehicles.

Explanations:

A mirror whose reflective surface is facing outwards is called a convex mirror. The image formed on a convex mirror is virtual, erect and behind the mirror and smaller than the object, between the pole and the focus. Therefore, if your image in the mirror is smaller than you, then the mirror will be convex. This mirror is used as a rear view mirror in vehicles.