After 45 h, 1 mg of an 8-mg sample of a certain radioactive isotope of sodium remains
Question:
After 45 h, 1 mg of an 8-mg sample of a certain radioactive isotope of sodium remains undecayed. The half-life of the isotope is
a. 5.625 h
b. 15 h
c. 33.75 h
d. 39,375 h
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correct option is b explanation using the relation n 12 ...View the full answer
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Shiv karan Singh bais
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