1.

N atoms of a radioactive element emit n alpha particles per second. The half life of the element is [MP PET 1995; MP PMT 1997, 2003]

A.            \[\frac{n}{N}\]sec              
B.            \[\frac{N}{n}\] sec
C.            \[\frac{0.693\ N}{n}\] sec       
D.            \[5,099\ c{{m}^{-1}}\] sec
Answer» D.            \[5,099\ c{{m}^{-1}}\] sec


Discussion

No Comment Found

Related MCQs