Physics · Oct / Nov 2022 · Paper 61 · Question 3
0625
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The question as text
A student investigates the effect of the starting temperature on the cooling rate of water. Fig. 3.1 shows the apparatus used. bench thermometer beaker Fig. 3.1
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3(a)[1]
23 (°C)
3(b)[1]
30, 60, 90, 120, 150, 180
3(c)[2]
Δθ1 = 21 (°C) and Δθ1 / Δt = 0.12 (0.117)
°C / s in (c) or (d) and not contradicted
3(d)[1]
Δθ2 = 6(°C) and R2 = 0.067
3(e)[2]
Conclusion that matches results
Justification that matches conclusion and results
3(f)[2]
View scale / value / reading / water level at right angles / perpendicularly
To bottom of meniscus
3(g)[2]
Any two from:
Volume / amount / mass of water
Room temperature
Time interval / duration of experiment
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