Which of the Following Sets of Data Is Consistent with a Half-Life

question 2

Multiple Choice

Which of the following sets of data is consistent with a half-life of 5.0 days for a radionuclide sample?

• A) time elapsed = 20.0 days; fraction of nuclides decayed = 7/8
• B) time elapsed = 15.0 days; fraction of nuclides undecayed = 1/16
• C) time elapsed = 10.0 days; fraction of nuclides decayed = 1/4
• D) more than one correct response
• E) no correct response

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Definitions:

K.Warner Schaie

A psychologist known for his work in the field of adult development and aging, particularly cognitive development over the lifespan.

Retesting

The process of taking a test or evaluation again, typically to verify the reliability of the results or to check for improvements after interventions.

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