The approximate depth of an ocean is 2700m. The compressibility of water is 45.4×10−11Pa−1 and density of water is 103kg/m3. What fractional compression of water will be obtained at the bottom of the ocean?
A
1.0×10−2
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B
1.2×10−2
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C
1.4×10−2
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D
0.8×10−2
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Solution
The correct option is B1.2×10−2 Compressibility of water, K=45.4×10−11Pa−1 density of water P=103kg/m3 depth of ocean, h=2700m We have to find △VV=? As we know, compressibility, K=1B=(△V/V)P(P=Pgh) So, (△V/V)=KPgh =45.4×10−11×103×10×2700 =1.2258×10−2.