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Question 18N.1.SL.TZ0.24

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Date November 2018 Marks available [Maximum mark: 1] Reference code 18N.1.SL.TZ0.24
Level SL Paper 1 Time zone TZ0
Command term Question number 24 Adapted from N/A
24.
[Maximum mark: 1]
18N.1.SL.TZ0.24

The graph shows the variation with time of the activity of a pure sample of a radioactive nuclide.

What percentage of the nuclide remains after 200 s?

 

A.   3.1 %

B.   6.3 %

C.   13 %

D.   25 %

[1]

Markscheme

B

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