A spherical iron ball of volume 720cm3 is immersed in a half filled rectangular tank of dimentions 20cmx12cmx14cm.Find the rise in water level. Share with your friends Share 0 Ruchika Bansal answered this Dear Student the volume of water displaced by the iron ballwill be equal to the volume of water rise in the rectangular tank.volume of water rise in the tank=area of base × rise in heightarea of base×rise in height=volume of ball20×12×rise in height=720rise in height=72020×12=3cmso level of water increased by 3cm . Regards 1 View Full Answer