All Problems

Radioactivity

Problem 6.244

Passing down to the ground state, excited Ag 109^{109} nuclei emit either gamma quanta with energy 87keV87 \mathrm{keV} or KK conversion electrons whose binding energy is 26keV26 \mathrm{keV}. Find the velocity of these electrons.

Reveal Answer
0.45c, where c is the velocity of light. 0.45 c, \text { where } c \text { is the velocity of light. }