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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2001
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Q)

Half life of radioactive element is 12.5 Hour and its quantity is 256 gm. After how much time its quantity will remain 1 gm : -


( A ) 100 Hrs
( B ) 50 Hrs
( C ) 150 Hrs
( D ) 200 Hrs

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