Using the following data, find the change in temperature at which wood will just sink in benzene. Density of benzene at 0^(@)C=9xx10^(2)kgm^(-3), Density of wood at 0^(@)C=8.8xx10^(2)kgm^(-3), Cubical expansivity of benzene =1.2xx10^(-3)K^(-1) Cubical expansivity of wood =1.5xx10^(-4)K^(-1)