STANDARD Physics Bulk Modulus MCQ Question
The volume change of a solid copper cube 10 cm on an edge, when subjected to a pressure of 7 MPa is (Bulk modulus of copper = 140 GPa)
5 × 10⁻² cm³
10 × 10⁻² cm³
15 × 10⁻² cm³
20 × 10⁻² cm³
Correct Answer
Detailed Explanation
Using the formula ΔV = (P/B) × V, where P = 7 × 10⁶ Pa, B = 140 × 10⁹ Pa, and V = (10 × 10⁻² m)³, we find ΔV = 5 × 10⁻⁸ m³ = 5 × 10⁻² cm³.
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