Question

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

Answer 1

Answer:

0.03

Explanation:

If side of the cube is L then

Volume=V=L3

=>dV/V=3dL/L

% change in volume=3×(%change in length)

=3×1%=3%

∵ Bulk strain △V/V=0.03