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a radio active element has its half life 6 days.how much proton of that will disintegrated after 18 days |
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Answer» Half LIFE =6 HOURS After 3 half lives, i.e., 18 hours, fraction of substance left =( 2 1 ) 3 = 8 1 Fraction undergone decay =1− 8 1 = 8 7 Amount of decayed substance = 8 7 ×36gms=31.5gmsExplanation: |
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