JEE · NEET Previous Year Question
Two radioactive materials and have decay constants and , respectively. If initially they have the same number of nuclei, then the ratio of the number of nuclei of to that of will be after a time:
Topic: JEE PYQ
Answer: A. Full step-by-step solution below.
- A
- B
- C
- D
Correct answer: A
Solution
(a) As,so,
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