Physics · Oct / Nov 2020 · Paper 61 · Question 2
0625
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The question as text
A student investigates the cooling of water under different conditions. Fig. 2.1 shows the apparatus she uses. beaker clamp bench boss stand thermometer Fig. 2.1
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2(a)[1]
21 (°C)
2(b)(i)[1]
Table 2.1 times 0 and 180;
units s and °C
2(b)(ii)[1]
Δθ 1 = 16 (°C)
2(b)(iii)[1]
R1 = 0.089 or 0.09
2(c)(i)[1]
Table 2.2 completed ecf from (b)(i) allowed
2(c)(ii)[1]
Δθ 2 present and R2 present with unit °C/s
2(d)(i)[1]
D1 = 64 D2 = 48
2(d)(ii)[2]
Conclusion to match results
Justification to match conclusion with correct evidence given from results
2(e)(i)[1]
Prevent parallax error owtte
2(e)(ii)[1]
To obtain even temperature throughout owtte
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