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Question 19N.1A.SL.TZ0.26

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.1A.SL.TZ0.26
Level SL Paper 1A Time zone TZ0
Command term Question number 26 Adapted from N/A
26.
[Maximum mark: 1]
19N.1A.SL.TZ0.26

X is a radioactive nuclide that decays to a stable nuclide. The activity of X falls to 116th of its original value in 32 s.
What is the half-life of X?

A.  2 s

B.  4 s

C.  8 s

D.  16 s

[1]

Markscheme

C

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