“A cube of wood whose edge is 12 mm isfloating in a liquid in a glass with one ofits faces parallel to the liquid surface. Thedensity of wood is 682 kg/m3, that of liquid is1296 kg/m3.A light oil is gently poured onto the immiscible liquid surface to form a 4 mm thick layerabove the liquid. The density of the oil is606 kg/m3.When the wood cube attains hydrostaticequilibrium again, what will be the distancefrom the top of the liquid to the bottom faceof the cube?Answer in units of mm