Multiple Choice
What is a half-life?
A) It is the time it takes for 1/2 of the material to undergo radioactive decay.
B) It is the time needed until 1/2 of the radiation is gone.
C) It is the time it takes for 1/2 of the material to decompose.
D) It is half of the lifetime of the radioactivity in a sample.
E) all of the above
Correct Answer:

Verified
Correct Answer:
Verified
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