2.2.3. Melting, boiling and evaporation
A subsection of Physics, 0625, through 2. Thermal physics
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State the values of the fixed points of a temperature scale. The graduations on a liquid-in-glass thermometer are equally spaced. For the equal spacing of the graduations to be correct, state: 1. an assumption that is made about the liquid in the thermometer 2. an assumption that is made about the structure of the thermometer. Liquid-in-glass thermometer A has a greater range than liquid-in-glass thermometer B. State one way the design of thermometer A is different from thermometer B. Liquid-in-glass thermometer C has a greater sensitivity than liquid-in-glass thermometer D. State one way the design of thermometer C is different from thermometer D. In the space provided, draw a labelled diagram of a thermocouple thermometer. Suggest when a thermocouple thermometer is more suitable than a liquid-in-glass thermometer.
0625_m19_qp_42
THEORY
2019
Paper 4, Variant 2
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