A cylindrical vessel of 90 cm height is kept filled up to the brim. It has four holes 1,2,3 and 4 which are respectively at heights of 20 cm, 30 cm, 45 cm and 50 cm from the
horizontal floor PQ. The water falling at the maximum horizontal distance from the vessel comes from
Horizontal range will be maximum when
cm, i.e., hole 3.