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Question 18N.1.HL.TZ0.39

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Date November 2018 Marks available [Maximum mark: 1] Reference code 18N.1.HL.TZ0.39
Level HL Paper 1 Time zone TZ0
Command term Question number 39 Adapted from N/A
39.
[Maximum mark: 1]
18N.1.HL.TZ0.39

The graph shows the variation of the natural log of activity, ln (activity), against time for a radioactive nuclide.

What is the decay constant, in days–1, of the radioactive nuclide?

 

A.    1 6

B.    1 3

C.   3

D.   6

[1]

Markscheme

D