Which of the following statement is correct on the basis of following information ?
'A' Forms a virtual and erect image always
‘B' Forms real and inverted image mostly
1
'A' is convex lens and ‘B’ is convex mirror
2
‘A’ could be convex mirror or concave lens
3
'B’ could be convex mirror or convex lens
4
‘B' is concave lens and ‘A’ is concave mirror