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Grade: 11
        The half life of a radioactive element is 10 hours. How much will be left after 4 hours in 1 gm atom sample
one year ago

Answers : (2)

Vikas TU
6869 Points
							
4/10 => 2/5 or => 0.4 half-lives.
After 0.4 half lives,
the amount would be left => (1/2)^0.4
 ((1/2)^0.4)*1 gm 
=>  (1/2)^0.4 gms.
one year ago
Abhinav
10 Points
							I am sorry Its mean life not half life...so can yiu please do again:??????????? please once again. I am sorry
						
one year ago
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