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Question

Calculate the pressure at a depth of 50 m below the surface of the sea. The density of sea water is 1024 kg/m3. Take acceleration due to gravity g = 10 m/s2



A

512000 Pa

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B

51200 Pa

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C

5120 Pa

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D

None of these

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Solution

The correct option is A

512000 Pa


Given,

Density (d) = 1024 kg/m3, Depth h = 50 m and  g = 10 m/s2

The expression of pressure at the bottom of a liquid of height h and density d is given by ρgh
Thus, pressure = ρgh = 1024×50×10 = 512000 Pa


Physics

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