2.2.2. Specific heat capacity
A subsection of Physics, 0625, through 2. Thermal physics
Listing 10 of 149 questions
Use shows a liquid-in-glass thermometer. –10 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 capillary tube liquid The thermometer is used for measuring temperatures in school laboratory experiments. State the units in which the temperatures are measured. On , mark where the liquid thread will reach when the thermometer is placed in pure melting ice (label this point ICE), steam above boiling water (label this point STEAM). A liquid-in-glass thermometer makes use of the expansion of a liquid to measure temperature. Other thermometers make use of other properties that vary with temperature. In the table below, write in two properties, other than expansion of a liquid, that can be used to measure temperature. example expansion OF a liquid 1. OF 2. OF
0625_w07_qp_2
THEORY
2007
Paper 2, Variant 0
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The apparatus in is used to investigate temperature rise when some water is heated. + – heater beaker lagging water Name the instrument used to measure the temperature of the water. State the purpose of the lagging. Describe how the mass of the water may be determined, stating the apparatus you would use. The heater is switched on and eventually the water starts to boil. State two things that may be observed about the water when it is boiling. 1. 2.
0625_w13_qp_21
THEORY
2013
Paper 2, Variant 1
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A technician is designing a liquid-in-glass thermometer. The following is a list of properties of the thermometer that she is considering. sensitivity range speed of response linearity 1. Which one of these properties is affected by the length of the stem of the thermometer? 2. Explain your answer. 1. Which property is affected by the diameter of the capillary? 2. Explain your answer. The thermometer is to be used to measure temperatures between −10 °C and 50 °C. The technician considers using water or red-coloured alcohol as the liquid in the thermometer. Write down which liquid would be suitable. Give two reasons for your answer. 1. 2.
0625_w14_qp_32
THEORY
2014
Paper 3, Variant 2
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shows a thermometer. ice cubes wire of material A wire of material A wire of material B water at 0 °C water at 100 °C V The voltmeter reading is 5.4 mV. State the name of this type of thermometer. shows the same thermometer used to measure the temperature of liquid X. water at 20 °C liquid X V With the setup in , the voltmeter reading is 1.7 mV. Calculate the temperature of liquid X measured by the thermometer. temperature = Suggest an application for which this type of thermometer is more suitable than a liquid-in- glass thermometer.
0625_w20_qp_42
THEORY
2020
Paper 4, Variant 2
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A thermocouple thermometer is used to determine the temperature difference between a mixture of ice and water and liquid mercury at approximately 600 °C. Complete with a labelled diagram to show how the thermocouple thermometer can be used in this way. mixture of ice and water liquid mercury at approximately 600 °C State two other physical properties that can be used to measure temperature. State two benefits of using a thermocouple thermometer instead of a liquid-in-glass thermometer.
0625_w21_qp_42
THEORY
2021
Paper 4, Variant 2
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Questions Discovered
149