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Nuclear and particle physics

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Question 46

The half-life of a sodium-24 source is $T$ . After a time $t = 5 T$ , the number of sodium-24 nuclei remaining in the source is $N$ .

How many sodium-24 nuclei have decayed in the time interval from $t = 0$ to $t = 5 T$ ?

$5 N$

$15 N$

$31 N$

$32 N$

Markscheme

Nuclear and particle physics Questions

A Level
Physics
Nuclear and particle physics

90 exam-style questions on OCR A A Level Physics Nuclear and particle physics, covering The nuclear atom, Fundamental particles, Radioactivity, and Nuclear fission and fusion. Each one has a worked solution and a mark scheme showing where the marks go.

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