Question 1

Find the lifetime of a radioisotope if the activity of atoms is 22 MBq.

Accepted Answer

0.27 s

Question 2

Find the activity of 1,500 atoms of a radioisotope of half-life, 167 ks.

Accepted Answer

Bq (6.2 mBq)

Question 3

Find the number of atoms of a radioisotope of half-life 2.31 ks whose activity is 18 Bq.

Accepted Answer

atoms

NSMQ 2024 Physics Fundamentals Round Set 30

Question 1