2
practice testMultiple Choice

Practice Test

Question 2 • Physics

Seven-eighths of a sample of hydrogen-3 will have become a stable isotope after 36 point 9 years. What is the half-life of hydrogen-3?

Answer
A
12 point 3 years
B
36 point 9 years
C
18 point 5 years
D
32 point 3 years
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Seven-eighths of a sample of hydrogen-3 will…