DP Physics (last assessment 2024)

Question 22M.1.HL.TZ2.38

Date	May 2022	Marks available	[Maximum mark: 1]	Reference code	22M.1.HL.TZ2.38
Level	HL	Paper	1	Time zone	TZ2
Command term		Question number	38	Adapted from	N/A

38.

[Maximum mark: 1]

22M.1.HL.TZ2.38

Samples of two radioactive nuclides X and Y are held in a container. The number of particles of X is half the number of particles of Y. The half-life of X is twice the half-life of Y.

What is the initial value of $\frac{activity of radioisotope X}{activity of radioisotope Y}$ ?

A. $\frac{1}{4}$

B. $\frac{1}{2}$

C. $1$

D. $4$

[1]

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Additional higher level (AHL)

Additional higher level (AHL) » Topic 12: Quantum and nuclear physics » 12.2 – Nuclear physics

Additional higher level (AHL) » Topic 12: Quantum and nuclear physics

Question 22M.1.HL.TZ2.38

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