NEET Physics Bulk Modulus MCQ Question
What is the fractional change in volume of a solid copper cube with an edge of 10 cm when subjected to a hydraulic pressure of 7.0 × 10^6 Pa, given that the bulk modulus of copper is 1.4 × 10^11 Pa?
5.0 × 10^-5
5.0 × 10^-4
5.0 × 10^-6
5.0 × 10^-3
Correct Answer
Detailed Explanation
The fractional change in volume is given by the formula ΔV/V = -P/B, where P is pressure and B is bulk modulus. Substituting the given values: ΔV/V = -(7.0 × 10^6 Pa)/(1.4 × 10^11 Pa) = 5.0 × 10^-5.
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