Reflection at Curved Surfaces

Q.

How will you determine whether a given mirror is plane, convex or concave without touching it?

Q. No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be

1. plane
2. concave
3. either plane or convex
4. convex

Q. Identify the characteristics of the images formed by convex mirrors.

1. Are always real
2. Are always virtual
3. None of the above describes the images formed by convex mirrors
4. Are only virtual when the object is placed inside the focal point
5. Are only real when the object is placed outside the radius of curvature