At a depth of 1000m in an ocean, what is the gauge pressure, when density of sea water is given as 1.03×103kg/m3? (Take g=10m/s2)
A
1.04×107Pa
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B
1.03×107Pa
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C
1.02×107Pa
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D
1×107Pa
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Solution
The correct option is B1.03×107Pa Given height (h)=1000m Density of sea water, ρ=1030kg/m3 Gauge pressure at a depth of h,(Pg)=ρgh ⇒Pg=ρgh=1030×10×1000Pa ⇒Pg=103×105Pa ⇒Pg=1.03×107Pa