Question

without touching differentiate between real concave mirror and convex mirror?​

Answer 1

If you look into a concave mirror, you can see an enlarged image when placed close and can see an inverted image when kept away. A convex mirror always forms a small and erect image.

Answer 2

Distinguish Plane mirror, Concave mirror and Convex mirror without touching. ... If you look into a concave mirror, you can see an enlarged image when placed close and can see an inverted image when kept away. A convex mirror always forms a small and erect image