NEET 2017 Physics Elasticity MCQ Question
The bulk modulus of a spherical object is ‘B’. If it is subjected to uniform pressure ‘P’, the fractional decrease in radius is
P/B
3P/4B
P/3B
B/3P
Correct Answer
Detailed Explanation
The fractional change in volume is given by ΔV/V = -P/B. For a sphere, Δr/r = ΔV/3V, leading to the fractional decrease in radius as P/3B.
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