The half-life of a radioactive substance is def... - SS2 Physics Modern Physics - Nuclear Physics Question
The half-life of a radioactive substance is defined as:
A
The time it takes for half of the radioactive atoms to decay
B
The time it takes for all of the radioactive atoms to decay
C
The time it takes for the radioactive substance to become stable
D
The time it takes for the radioactive substance to emit gamma rays
correct option: a
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