DP Physics (first assessment 2025)

Question EXE.2.SL.TZ0.c

Date	Example questions Example questions	Marks available	[Maximum mark: 2]	Reference code	EXE.2.SL.TZ0.c
Level	SL	Paper	2	Time zone	TZ0
Command term	Estimate	Question number	c	Adapted from	N/A

[Maximum mark: 2]

EXE.2.SL.TZ0.c

Estimate the initial rate of the change of the temperature of the water in the bottle. State your answer in K s⁻¹. The specific heat capacity of water is 4200 J kg⁻¹ K⁻¹.

[2]

Markscheme

$480 = 4200 \times 0.50 \times \frac{Δ T}{Δ t}$ ✓

$\frac{Δ T}{Δ t} = 0.23$ «K s⁻¹» ✓

Syllabus sections

B. The particulate nature of matter

B. The particulate nature of matter » B.1 Thermal energy transfers

Question EXE.2.SL.TZ0.c

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