Question

A uniform cube is subjected to volume compression. If each side is decreased by 1%, then bulk strain developed is

• A. 0.01
• B. 0.06
• C. 0.02
• D. 0.03

Answer 1

The correct option is D 0.03

d):If side of the cube is L then $V=L^3$
$\frac{dv}{v}=3\frac{dL}{L}$
% change in volume= $3\times$ (% change in length)
=3$\times$ 1 % = 3%= Bulk strain $\frac{△V}{V}$=0.03