Rahul plays with 5 litre water can by putting holes in it at various levels vertically. Let's name the holes as 1, 2, 3, 4 respectively starting from the mouth of the water can to the bottom line. Now if the can is filled with water, which one hole will exert the water with high pressure ?

Question

$\begin{array}{1 1} (a)\;1 \\ (b)\; 2 \\ (c)\; 3 \\ (d)\; 4 \end{array}$