Question

state whether a convex lens have real focus or a virtula focus
​

Answer 1

Answer:

A convex lens is said to have real focus and a concave lens a virtual focus. ... A convex lens converge light rays at its focus therefore it is said to produce real focus whereas the concave lens diverges the light rays that seems to come from focus therefore it is virtual.

_____________

Answer 2

Answer:

convex lens have real focus