Physics-Stress & Strain
NEET Physics Stress & Strain MCQ Question
Type: MCQ-numerical-Hard-Class 11
A solid cube with an initial volume of 0.01 m³ is subjected to a uniform hydraulic pressure of 5 x 10⁶ N/m². If the bulk modulus of the material is 2 x 10⁹ N/m², what is the change in volume of the cube?
A
-2.5 x 10⁻⁵ m³
B
-2.5 x 10⁻⁷ m³
C
-5.0 x 10⁻⁶ m³
D
-1.0 x 10⁻⁶ m³
Correct Answer
Option A
Detailed Explanation
Using B = -p/(∆V/V), we find ∆V = -pV/B = -(5 x 10⁶ N/m²)(0.01 m³)/(2 x 10⁹ N/m²) = -2.5 x 10⁻⁵ m³.
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