The activity of a sample of a radioisotope at some time is 10.7 mCi and 0.36 h later it is 7.80 mCi. Determine the following. (a) Decay constant (in s-1) -1 (b) Half-life (in h) h

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The activity of a sample of a radioisotope at some time is 10.7 mCi and 0.36 h later it is 7.80 mCi. Determine the following.
(a) Decay constant (in s-ly
s-1
(b) Half-life (in h)
(c) Nuclei in the sample when the activity was 10.7 mCi
nuclei
(d) Activity (in mCi) of the sample 3.30 h after the time when it was 10.7 mCi
mCi
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Transcribed Image Text:MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER The activity of a sample of a radioisotope at some time is 10.7 mCi and 0.36 h later it is 7.80 mCi. Determine the following. (a) Decay constant (in s-ly s-1 (b) Half-life (in h) (c) Nuclei in the sample when the activity was 10.7 mCi nuclei (d) Activity (in mCi) of the sample 3.30 h after the time when it was 10.7 mCi mCi Tutorial Additional Materials O Reading
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