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Cambridge IGCSE Physics practice

Paper 4 structured question: Pressure

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4

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4

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Pressure

Exam-style question

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Paper 4Theory (Extended)4 marks

A tank filled with water has a height of 4 meters. The density of water is 1000 kg/m³. Calculate the change in pressure at the bottom of the tank.

Description

Pressure at the Bottom of a Tank

Given the height and density of water, find the pressure change at the bottom.

  1. a

    State the value of g used in calculations for pressure change.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    State the change in pressure at the bottom of the tank.

    Aim for approximately 3 distinct marking points.

    [3]

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Paper 4 structured question: Pressure

Paper 4Theory (Extended)1 marks

Description

Pressure Change in a Liquid

A liquid has a density of 1000 kg/m³. Calculate the change in pressure at a depth of 3 meters.

  1. a

    State the formula used to calculate the change in pressure at a certain depth in a liquid.

    Aim for approximately 1 distinct marking point.

    [1]