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BITSAT 2013
Exam
BITSAT
Year
2013
Subject
Physics
Chapter
Mechanical Properties of Solids

BITSAT 2013 · Physics · Mechanical Properties of Solids

A cube is subjected to a uniform volume compression. If the side of...

A cube is subjected to a uniform volume compression. If the side of the cube decreases by 2%2 \% the bulk strain is

Options

  1. A0.02
  2. B0.03
  3. C0.04
  4. D0.06

Correct answer

D. 0.06

Step-by-step solution

Δad=2%v=a3Δvv=3Δad=6%=0.06\begin{aligned}\frac{\Delta a}{d}&=2 \% \\ v &=a^{3} \\ \frac{\Delta v}{v}&=3 \frac{\Delta a}{d}\\ &=6 \% \\ &=0.06 \end{aligned}
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