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A sample of radioactive element has a mass of 10gm at an instant t=0. The approximate mass ofthis element in the sample after two mean lives is [2003]
  • a)
    6.30 gm
  • b)
    1.35 gm
  • c)
    2.50 gm
  • d)
    3.70 gm
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A sample of radioactive element has a mass of 10gm at an instant t=0. ...
Using the relation for mean life.
Given : 
Then from 
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A sample of radioactive element has a mass of 10gm at an instant t=0. The approximate mass ofthis element in the sample after two mean lives is [2003]a)6.30 gmb)1.35 gmc)2.50 gmd)3.70 gmCorrect answer is option 'B'. Can you explain this answer?
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A sample of radioactive element has a mass of 10gm at an instant t=0. The approximate mass ofthis element in the sample after two mean lives is [2003]a)6.30 gmb)1.35 gmc)2.50 gmd)3.70 gmCorrect answer is option 'B'. 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 sample of radioactive element has a mass of 10gm at an instant t=0. The approximate mass ofthis element in the sample after two mean lives is [2003]a)6.30 gmb)1.35 gmc)2.50 gmd)3.70 gmCorrect answer is option 'B'. 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 sample of radioactive element has a mass of 10gm at an instant t=0. The approximate mass ofthis element in the sample after two mean lives is [2003]a)6.30 gmb)1.35 gmc)2.50 gmd)3.70 gmCorrect answer is option 'B'. Can you explain this answer?.
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