DP Physics (first assessment 2025)

Question EXE.2.HL.TZ0.1biv

Date	Example questions Example questions	Marks available	[Maximum mark: 2]	Reference code	EXE.2.HL.TZ0.1biv
Level	HL	Paper	2	Time zone	TZ0
Command term	Determine	Question number	iv	Adapted from	N/A

iv.

[Maximum mark: 2]

EXE.2.HL.TZ0.1biv

(iv)

Determine, in days, the half-life of ${}_{52}^{132}{Te}$ .

[2]

Markscheme

Slope =«−» $2.5 \times 10^{- 6}$ «s⁻¹» ✓

$T_{\frac{1}{2}} =$ « $\frac{\ln 2}{2.5 \times 10^{- 6} \times 60 \times 60 \times 24} =$ » 3.2 «days» ✓

Syllabus sections