Question

what is half life (t 1/2): *
time required for all of a sample to decay
time required for half of a sample to decay
time required for a quarter of a sample to grow
time required for a third of a sample to decay
time required for a quarter of a sample to decay
time required for half of a sample to grow
time required for a third of a sample to grow
time required for all of a sample to grow
how long does it take u to turn into th? *

Explanation:

The half - life ($t_{1/2}$) is a well - known concept in radioactive decay. It is defined as the time it takes for half of a radioactive sample to decay.

Answer:

Time required for half of a sample to decay