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Question

The approximate depth of an ocean is 2700 m. The compressibility of water is 45.4×1011Pa1 and density of water is 103kg/m3. What fractional compression of water will be obtained at the bottom of the ocean?

A
1.0×102
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B
1.2×102
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C
1.4×102
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D
0.8×102
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Solution

The correct option is B 1.2×102
Compressibility of water,
K=45.4×1011Pa1
density of water P=103kg/m3
depth of ocean, h=2700 m
We have to find VV=?
As we know, compressibility,
K=1B=(V/V)P(P=Pgh)
So, (V/V)=KPgh
=45.4×1011×103×10×2700
=1.2258×102.

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