(a)[1]
State the temperatures of the fixed points on a temperature scale.
(b(i))[2]
To account for the equal spacing of the graduations, state: 1. an assumption made about the liquid in the thermometer 2. an assumption made about the structure of the thermometer.
(b(ii))[1]
State one design feature in which thermometer A differs from thermometer B.
(b(iii))[1]
State one design feature in which thermometer C differs from thermometer D.
(c(i))[3]
In the space provided, draw a labelled diagram showing a thermocouple thermometer.
(c(ii))[1]
Suggest the conditions under which a thermocouple thermometer is more suitable than a liquid-in-glass thermometer.