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IActivity of a radioactive sample reduces from 8 counts to 1 count in 3h. Half life of sample is

+1 vote

asked Feb 14, 2019 in Chemistry by kratos

neet
arithmetic progressions
class-11
arithmetic progression
physical chemistry
radioactivity
jee
class-10
jee mains
class-12
atoms
nuclei

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1 Answer

+5 votes

answered Nov 19, 2020 by kratos

Best answer

Activity of the radioactive sample reduces from 8 count to 1 count in 3hrs. So in this ** 3 half life time has elapsed .

Hence half life ** is 3/2hr or 1.5 hr.

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