When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is _________?

(A) Visible ()
(B) Transparent (X)
(C) Invisible (X)
(D) opaque (X)
(E) None of these (X)

Answers: When a ray of sunlight enters a dark room , its straight path become visible because of dust particles hanging in the air. It is because light is  Visible.