Parallel light passing through the lens is refracted so that it converges to a point behind the lens, called the focus.
(Parallel light; passing; through the lens) (Parallel light passing through the lens; is refracted; so that it converges to a point behind the lens) (it; converges; to a point behind the lens) (the lens; called; the focus)
Parallel light Parallel light passing through the lens it the lens
passing is refracted converges called
through the lens
so that it converges to a point behind the lens
to a point behind the lens
the focus