All Problems

Radioactivity

Problem 6.244

Passing down to the ground state, excited Ag \(^{109}\) nuclei emit either gamma quanta with energy \(87 \mathrm{keV}\) or \(K\) conversion electrons whose binding energy is \(26 \mathrm{keV}\). 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. }