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15.2 Pressure in fluids

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Question 33

A sampling capsule is lowered to 4.0 m below the surface of a liquid in a vessel that is open to the air. The air pressure at the liquid surface is 101 kPa, and the capsule records a total pressure of 151 kPa. The gravitational field strength is 10 N/kg. The pressure produced by the liquid is given by P=hρgP=h\rho gP=hρg. What is the density of the liquid?

[1]
A

1250 kg/m31250\ \mathrm{kg/m^3}1250 kg/m3

B

3775 kg/m33775\ \mathrm{kg/m^3}3775 kg/m3

C

1.25 kg/m31.25\ \mathrm{kg/m^3}1.25 kg/m3

D

12 500 kg/m312\,500\ \mathrm{kg/m^3}12500 kg/m3

Markscheme

15.2 Pressure in fluids Questions

  1. GCSE
  2. /Physics
  3. /15.2 Pressure in fluids

132 exam-style questions on Edexcel GCSE Physics 15.2 Pressure in fluids, covering 15.2.1 Atmospheric pressure and height, 15.2.2 Pressure in fluids, 15.2.3 Pressure, force and area, 15.2.4 Pressure and depth, 15.2.5 Pressure in liquids: depth and density, 15.2.6 Upthrust, and 15.2.7 Floating and sinking. Each one has a worked solution and a mark scheme showing where the marks go.

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