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A radioactive sample with a half life of 1 monthhas the label : ‘Activity = 2 micro curies on 1–8–1991. What would be its activity two monthsearlier ? [1988]
  • a)
    1.0 micro curie
  • b)
    0.5 micro curie
  • c)
    4 micro curie
  • d)
    8 micro curie
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A radioactive sample with a half life of 1 monthhas the label : &lsquo...
In two half lives, the activity becomes one fourth.
Activity on 1–8–91 was 2 micro–curie
∴ Activity before two months, 4 × 2 micro-curie = 8 micro curie
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A radioactive sample with a half life of 1 monthhas the label : ‘Activity = 2 micro curies on 1–8–1991. What would be its activity two monthsearlier ? [1988]a)1.0 micro curieb)0.5 micro curiec)4 micro curied)8 micro curieCorrect answer is option 'D'. Can you explain this answer?
Question Description
A radioactive sample with a half life of 1 monthhas the label : ‘Activity = 2 micro curies on 1–8–1991. What would be its activity two monthsearlier ? [1988]a)1.0 micro curieb)0.5 micro curiec)4 micro curied)8 micro curieCorrect answer is option 'D'. Can you explain this answer? for Class 12 2024 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about A radioactive sample with a half life of 1 monthhas the label : ‘Activity = 2 micro curies on 1–8–1991. What would be its activity two monthsearlier ? [1988]a)1.0 micro curieb)0.5 micro curiec)4 micro curied)8 micro curieCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 12 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A radioactive sample with a half life of 1 monthhas the label : ‘Activity = 2 micro curies on 1–8–1991. What would be its activity two monthsearlier ? [1988]a)1.0 micro curieb)0.5 micro curiec)4 micro curied)8 micro curieCorrect answer is option 'D'. Can you explain this answer?.
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