NEET Physics Bulk Modulus MCQ Question
Consider a diagram showing a solid cube being subjected to an increase in hydraulic pressure, causing it to compress. If the cube's initial volume is V and the pressure applied is P, which of the following correctly describes the relationship between the bulk modulus (B) and the fractional change in volume (ΔV/V)?
B = - P / (ΔV/V)
B = P × (ΔV/V)
B = ΔV / (P × V)
B = - (ΔV/V) / P
Correct Answer
Detailed Explanation
The bulk modulus (B) is defined as the ratio of applied pressure (P) to the fractional change in volume (ΔV/V), with a negative sign indicating compression.
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