DP Physics (first assessment 2025)

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Question 19N.2.SL.TZ0.7a

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Date November 2019 Marks available [Maximum mark: 2] Reference code 19N.2.SL.TZ0.7a
Level SL Paper 2 Time zone TZ0
Command term Outline Question number a Adapted from N/A
a.
[Maximum mark: 2]
19N.2.SL.TZ0.7a
(a)

Radioactive decay is said to be “random” and “spontaneous”. Outline what is meant by each of these terms.

Random: 

Spontaneous:

[2]

Markscheme

random:
it cannot be predicted which nucleus will decay
OR
it cannot be predicted when a nucleus will decay ✔

NOTE: OWTTE

 

spontaneous:
the decay cannot be influenced/modified in any way ✔

NOTE: OWTTE

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