In 24 days a radioactive isotope decreases in mass from 64g to 2g. What is the half life of the radioactive material
-
A.
0.75 days -
B.
2.58 days -
C.
4 days -
D.
4.80 days -
E.
6 days
Correct Answer: Option D
Explanation
64g → 32g → 16g → 8g → 4g → 2g
Half life time= 24/5 = 4.8 days