If the initial mass of a radioactive sample having a half life of 10 hour is 200 gm then after how much time only 2gm of sample will be left undecayed?
1
50.56 hrs
2
66.45 hrs
3
75 hrs
4
60.77 hrs
If the initial mass of a radioactive sample having a half life of 10 hour is 200 gm then after how much time only 2gm of sample will be left undecayed?