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Cambridge IGCSE Physics practice

Paper 6 structured question: Specific heat capacity

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Specific heat capacity

Exam-style question

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Paper 6Alternative to PracticalPractical1 marks

Determining the specific heat capacity of a solid.

Method

Method for Measuring Specific Heat Capacity

A solid is heated using a heater. The mass of the solid is measured, and the initial temperature is recorded. The heater is switched on for a specific time, and the final temperature is recorded. The heat supplied is calculated using the power of the heater and time.

StepDescription
1Measure the mass of the solid.
2Record the initial temperature.
3Turn on the heater for a set time.
4Record the final temperature.
  1. a

    State the independent variable in this method.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 6 structured question: Specific heat capacity

Paper 6Alternative to PracticalPractical3 marks

Results Table

Results of Specific Heat Capacity Experiment

The table shows the mass of the liquid, initial and final temperatures, and heat supplied.

Mass (kg)Initial Temp (°C)Final Temp (°C)Heat Supplied (J)
0.520302000
1.025354000
  1. a

    Calculate the specific heat capacity of the liquid for the first row of data.

    Aim for approximately 3 distinct marking points.

    [3]