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At a depth of 500m in an ocean (a) what ...

At a depth of 500m in an ocean (a) what is the absolute pressure? (b) What is the gauge pressure? Density of sea water is `1.03 xx 10^(3) kg//m^(3), g=10ms^(-2)`. Atmospheric pressure = ` 1.01 xx 10^(5)Pa`.

Text Solution

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Absolute pressure P = `P_(a) + rho gh`
here `P_(a) = 1.01 xx 10^(5) Pa`
`rho = 1.03 xx 10^(3) kg m^(-3)`
`P = 1.01 xx 10^(5) Pa + 1.03 xx 10^(3) xx 10 xx 500 Pa`
`= 1.01 xx 10^(5) Pa + 51.5 xx 10^(5) Pa`
`=52.5 xx 10^(5) Pa`
= 52 atm
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