Question

1. Give two circumstances in which a concave mirror can form a magnified image of an object placed in front of it. Illustrate your answer by drawing labelled ray diagrams for both.
2. Which one of these circumstances enables a concave mirror to be used as a shaving mirror?

Answer 1

1. When the object is placed between the pole and the focus of a concave mirror, a magnified image is formed.
   
   When the object is placed between the focus and the centre of curvature of a concave mirror, a magnified image is formed.
   
2. A concave mirror can be used as a shaving mirror when the object is placed between the pole and the focus of the concave mirror.