An erect and enlarged image can be formed by
$(a)$. only a convex mirror.
$(b)$. only a concave mirror.
$(c)$. only a plane mirror.
$(d)$. both convex and concave mirrors.

AcademicPhysicsNCERTClass 7

Only a concave mirror can form an erect and enlarged image of an object.

So, option $(b)$ is correct.

Updated on 10-Oct-2022 13:30:11