Answer the following.
  
1. A Solid has a volume V1 at temperature T1. The temperature is increased to T2. If γis the coefficient of Volumetric expansion, the increase in volume is given by ___________.
 
 
2. Some brass has a coefficient of linear expansion of 19×106K1. A 600\(mm\) length of brass piping is heated through 60\(K\). The pipe extends by  .