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Practice question

MCQ

Question

A glass slab of volume 0.005 m3 is compressed by a pressure of 3 × 106 N/m2. If the bulk modulus of glass is 3.7 × 1010 N/m2, what is the change in volume?

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Explanation

Bulk modulus: B = -p / (ΔV / V). Rearrange: ΔV / V = -p / B = -(3 × 106) / (3.7 × 1010) ≈ -8.11 × 10-5. Change in volume: ΔV = (ΔV / V) × V = -8.11 × 10-5 × 0.005 ≈ -4.05 × 10-7 m3.

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