A tank open at the top with a water level of 1 m, as shown in the figure, has a hole at a height of 0.5 m

Q. A tank open at the top with a water level of 1 m, as shown in the figure, has a hole at a height of 0.5 m. A free jet leaves horizontally from the smooth hole. The distance X (in m) where the jet strikes the floor is

(A) 0.5                        (B) 1.0                        (C) 2.0                       (D) 4.0

Ans: 1.0