Q.

Water is filled in a container upto height 3 m. A small hole of area 'a' is punched in the wall of the container at a height 52.5 cm from the bottom. The cross sectional area of the container is A. If a/A=0.1 then v2 is (where v is the velocity of water coming out of the hole)                    [2005]

1 50  
2 51  
3 48  
4 51.5  

Ans.

(1)