Questions
If the rest mass of electron or positron is 0.51 MeV, then the kinetic energy of each particle in the electron-positron pair production by a -photon of 2.42 MeV will be
detailed solution
Correct option is C
Mass produced (0.51 + 0.51) MeV=1.02MeV.Remaining energy(2.42 – 1.02) = 1.4 MeVTalk to our academic expert!
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The half life period of a radioactive element X is same as the mean life time of another radioactive element Y. Initially both of them have the same number of atoms. Then
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