Nuclear Physics and RadioactivityHard
Question
A radioactive element X converts into another stable element Y. Half-life of X is 2h. Initially, only X is present after time t, the ratio of atoms of X and Y is found to be 1 : 4 then t in hours is :-
Options
A.2
B.4
C.Between 4 and 6
D.6
More Nuclear Physics and Radioactivity Questions
Graph plotted between maximum kinetic energy (EK) of electron with frequency of incident photon (ν) in photo electr...An electron is in an excited stable in hydrogen - like atom. It has a total energy of -3.4 eV. If the kinetic energy of ...The wave number of the series limit of lyman series is -...Which of the following cannot be emitted by radioactive substance during their decay?...The ionising power and the penetration range of radioactive radiations increases in the order...