The decay constant of a radioactive element is $0.01$ per second. Its half life period is .......$sec$
The decay constant of a radioactive element is $0.01$ per second. Its half life period is .......$sec$
- A
$693$
- B
$6.93$
- C
$0.693 $
- D
$69.3 $
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- [JEE MAIN 2020]
The half life of radium is $1620$ years and its atomic weight is $226\, k\,gm$ per kilomol. The number of atoms that will decay from its $1\, gm$ sample per second will be
(Avogadro's number $N = 6.02 \times {10^{26}}$atom/kilomol)
The half life of radium is $1620$ years and its atomic weight is $226\, k\,gm$ per kilomol. The number of atoms that will decay from its $1\, gm$ sample per second will be
(Avogadro's number $N = 6.02 \times {10^{26}}$atom/kilomol)