DP Physics (first assessment 2025)

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Question EXE.2.HL.TZ0.ii

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

A sample of pure Te52132 is extracted from some spent nuclear fuel from the reactor. The graph shows how the natural logarithm of the activity A of the sample varies with time t.

Calculate, in s−1, the initial activity of the sample.

[1]

Markscheme

e25=7.2×1010 «s−1» ✓

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