Physics · May / June 2025 · Paper 61 · Question 2
0625
As printed in the paper
The question as text
A student investigates the cooling of hot water in a beaker. The apparatus is shown in Fig. 2.1. thermometer beaker bench Fig. 2.1
Read automatically from the paper; the printed page above is exact.
Show the answer and mark scheme
2(a)[1]
22 (°C) correctly shown
2(b)[1]
cm3, °C
2(c)[4]
axes correctly labelled with quantity AND unit AND right way round
suitable scales (occupying at least ½ the grid)
plots correct to ± ½ small square AND precise plots
good best-fit line judgement, thin, continuous line
2(d)(i)[1]
so that temperature change is due to cold water added rather than heat losses to the surroundings
2(d)(ii)[1]
to ensure even / constant temperature (throughout the liquid)
2(e)[2]
any two from:
some form of insulationadd a lidshield from draughtswhite / shiny surface2(f)[1]
measuring cylinder
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