Question

how is concave convex and plane mirrot formed

Answer 1

The object in the image formedby the convex mirror look smaller than the original size of the object. Concave mirrors formreal and inverted images except when the object is between pole and focus. Convex mirrors formvirtual and erect images irrespecive of the position of the object.

Answer 2

the image formed by concave mirror is large and convex mirror is small