Physics 5054 · O Level · Physical quantities and measurement techniques
Physical quantities and measurement techniques — practice question
Fig. 5.1 shows some parts of a thermocouple thermometer that is being used to find the temperature of a liquid.
(a)[1]
Suggest a suitable material for: X; Y; Z.
(b(i))[1]
State the physical property of a thermocouple thermometer that is used in this way.
(b(ii))[2]
Discuss what the term linearity means when it is applied to a thermocouple thermometer.
(c)[2]
State two advantages of a thermocouple thermometer compared with a liquid-in-glass thermometer.
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “X, Y and Z should be two (or three) different metals” …