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JEE Main 202528 JanuaryEvening Shift

Exam: JEE Main
Year: 2025
Date: 28 January
Shift: Evening Shift
Subject: Physics
Chapter: Mechanical Properties of Solids

JEE Main 2025 · 28 January · Evening Shift · Physics · Mechanical Properties of Solids

The volume contraction of a solid copper cube of edge length 10 cm...

The volume contraction of a solid copper cube of edge length 10 cm , when subjected to a hydraulic pressure of

7 \times 10^6 \mathrm{~Pa}

, would be ____

\mathrm{mm}^3

. (Given bulk modulus of copper

=1.4 \times 10^{11} \mathrm{~N} \mathrm{~m}^{-2}

)

Correct answer

0

Step-by-step solution

\begin{aligned} & \mathrm{B}=\frac{\Delta \mathrm{P}}{\frac{\Delta \mathrm{V}}{\mathrm{V}}} \\ & \Delta \mathrm{V}=\frac{7 \times 10^6}{1.4 \times 10^{11}} \times\left(10 \times 10^{-2}\right)^3 \\ & \Delta \mathrm{~V}=50 \mathrm{~mm}^3\end{aligned}

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