One afternoon Jamil and his friends were Gissing besides a leke.all on a sudden,Jamil notice that a bubble from the bottom of the lake of transparent water was coming out on the surface of the water.after coming to the surface,the bubble took a large size.size on the bubble of the surface was 5 times and atmosphere pressure was 10^5Nm^-2 .[density of water,p=1000kgm-3] calculate the depth of the lake.
