Auxiliary Nurse Midwife Exam 2020 Solved Paper

A water tank has two holes in the wall. One is square hole of side ' L ' at depth ' h ' from the top and other is circular hole of radius 'R' at depth ' 4h ' from the top. When the tank is completely filled with water, the quantity of water flowing out per second from both the holes is same. Then relation between ' R ' and ' L ' is: