Half-Life Questions
Authored by Miss Newell
Physics
10th - 11th Grade
Used 17+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
There is 10g of a radioactive isotope.
How much will be left after 1 half-life?
3.3g
5g
2.5g
15g
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
There is 10g of a radioactive isotope.
How much will be left after 2 half-lives?
12g
5g
2.5g
7.5g
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
There are 12kg of radioactive nuclei.
How much will be left after 3 half-lives?
1.5kg
3kg
4kg
6kg
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
There are 4kg of a radioactive isotope.
The half-life is 20s.
How much will be left after 20s?
8kg
2kg
1kg
0.2kg
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
There are 4kg of a radioactive isotope.
The half-life is 20s.
How much will be left after 40s?
0.5kg
1kg
2kg
8kg
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
There are 4kg of a radioactive isotope.
The half-life is 20s.
How much will be left after 60s?
2kg
0.5kg
1kg
8kg
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
There are 4kg of a radioactive isotope.
After 6 seconds, there are 2kg left.
What is the half-life of the isotope?
12s
6s
2s
4s
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