Assertion : Radioactivity of 10 8 undecayed radioactive nuclei of half life of 50 days is…
Physics · JEE Advanced · NTA Exams — Atoms and Nuclei
Assertion : Radioactivity of 108 undecayed radioactive nuclei of half life of 50 days is equal to that of 1.2 × 108 number of undecayed nuclei of some other material with half life of 60 days
Reason : Radioactivity is proportional to half-life.
Reason : Radioactivity is proportional to half-life.
- If both assertion and reason are true and the reason is the correct explanation of the assertion.
- If both assertion and reason are true but reason is not the correct explanation of the assertion.
- If assertion is true but reason is false.
- If the assertion and reason both are false.
Answer
(C) If assertion is true but reason is false.
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