The value of the coefficient of volume expansion of glycerine is \(5\times10^{-4} \mathrm{~K^{-1}}\). The fractional change in the density of glycerine for a rise of \(40^\circ \text{C}\) in its temperature is:
1. \(0.015\)
2. \(0.020\)
3. \(0.025\)
4. \(0.010\)