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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  1998
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Q)

Half life period of two elements are 40 minute and 20 minute respectively, then after 80 minute ratio of the remaining nuclei will be (Initially both have equal active nuclei) :


( A ) 1 : 2
( B ) 16 : 1
( C ) 4 : 1
( D ) 8 : 1

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