Solids contract on ________.
(1) In solids the molecules are closely packed.
(2) On decreasing the temperature, the kinetic energy of molecules decreases which leads to the contraction of solids.
Therefore, solids contract on cooling.
Determinethe volume contraction of a solid copper cube, 10 cm on an edge, whensubjected to a hydraulic pressure of 7.0 ×106Pa.