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4 marksDesign and Use of Thermometers

CAPE Physics Unit 1 · 2007 · Paper 2 · Question 8(a)(ii)

This question is about thermometers and temperature measurement.

State, with a reason, the type of thermometer you would use to a) locate the hottest part of a Bunsen burner flame b) record the mean temperature of the gases emerging from the exhaust pipe of a car.

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Other parts of this question

  1. 8(a)(i)State ONE situation in which a constant volume gas thermometer would be used in preference to other types of thermometers. Give a reason for your choice.[2 marks]
  2. 8(a)(iii)State TWO ways in which the behaviour of a thermistor differs from that of a platinum coil when used as a resistance thermometer.[2 marks]
  3. 8(b)(i)Calculate the values of R₀ and B.[12 marks]
  4. 8(b)(ii)Determine the temperature, in degrees Celsius, when the thermistor resistance is 2200 Ω.[12 marks]
  5. 8(b)(iii)a)If an empirical temperature scale were used, what temperature would this resistance of 2200 Ω give?[12 marks]
  6. 8(b)(iii)b)Explain why this scale is NOT suitable for determining the value of the temperature from resistance.[12 marks]

More practice: the rest of this paper · more Design and Use of Thermometers questions · all CAPE Physics Unit 1 past papers