DP Physics (first assessment 2025)

Question EXE.2.SL.TZ0.a

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

[Maximum mark: 2]

EXE.2.SL.TZ0.a

The temperature of the air outside of the bottle is 20 °C. The surface area of the bottle is 4.0 × 10⁻² m². Calculate the initial rate of thermal energy transfer by conduction through the bottle.

[2]

Markscheme

$0.90 \times 4.0 \times 10^{- 2} \times \frac{60 - 20}{0.003}$ ✓

480 «W» ✓

Syllabus sections

B. The particulate nature of matter

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

Question EXE.2.SL.TZ0.a

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