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A freshly prepared radioactive source of half life 2 hr emits radiation of intensity which  is 64 times the permissibe safe level. The minimum time after which it would be possible to work safely with this source is
  • a)
    6 hr
  • b)
    12 hr
  • c)
    24 hr
  • d)
    128 hr
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A freshly prepared radioactive source of half life 2 hr emits radiatio...
Note:  The intensity of radiation emitted is proportional to the rate of decay which in turn is proportional to number of atoms left (radioactive).
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A freshly prepared radioactive source of half life 2 hr emits radiation of intensity which is 64 times the permissibe safe level. The minimum time after which it would be possible to work safely with this source isa)6 hrb)12 hrc)24 hrd)128 hrCorrect answer is option 'B'. Can you explain this answer?
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A freshly prepared radioactive source of half life 2 hr emits radiation of intensity which is 64 times the permissibe safe level. The minimum time after which it would be possible to work safely with this source isa)6 hrb)12 hrc)24 hrd)128 hrCorrect answer is option 'B'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about A freshly prepared radioactive source of half life 2 hr emits radiation of intensity which is 64 times the permissibe safe level. The minimum time after which it would be possible to work safely with this source isa)6 hrb)12 hrc)24 hrd)128 hrCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A freshly prepared radioactive source of half life 2 hr emits radiation of intensity which is 64 times the permissibe safe level. The minimum time after which it would be possible to work safely with this source isa)6 hrb)12 hrc)24 hrd)128 hrCorrect answer is option 'B'. Can you explain this answer?.
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