A Cube Is Subjected to a Pressure of 12 Atmospheres $\times$

Multiple Choice

A cube is subjected to a pressure of 12 atmospheres.The un-squeezed length of one side of the cube is 10.000 cm.The squeezed length of one side of the cube is 9.999 cm.The bulk strain on the cube is

A) 2.0 $\times$ 10^-4.
B) 2.2 $\times$ 10^-4.
C) 2.4 $\times$ 10^-4.
D) 2.6 $\times$ 10^-4.
E) 3.0 $\times$ 10^-4.