2,9
c) (i) Find
and r in the following radioactive series.
23U -> Oth ->234Pa ---...
Physics, 09.04.2021 01:00, Averyruss9245
2,9
c) (i) Find
and r in the following radioactive series.
23U -> Oth ->234Pa --->230Th → 235Ra
(ii) What particle emission are K, L, and M above?
d) (i) What is meant by half - life of radioactive element?
(ii) The activity of a radioactive sample reduces its count rate from 256 counts/sec to 32
counts/sec in 1 hour.
a. Determine the half - life of the sample
b. What will the reading in the next one hours?
Answers: 3
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