DP Physics (first assessment 2025)

Question EXE.2.SL.TZ0.i

Date	Example questions Example questions	Marks available	[Maximum mark: 3]	Reference code	EXE.2.SL.TZ0.i
Level	SL	Paper	2	Time zone	TZ0
Command term	Calculate	Question number	i	Adapted from	N/A

[Maximum mark: 3]

EXE.2.SL.TZ0.i

Calculate the temperature at Y.

[3]

Markscheme

idea that $\frac{d Q}{d t}$ is same in both bars because lagged ✓

work to show that $90 - θ = 2 (θ - 45)$
OR
Temperature difference across XY is twice temperature difference across YZ ✓

solves to show that $θ = 60 ° C$ ✓

Syllabus sections