Question

from that given in the figure)
(E3)
10.181 Hf (Z=72) undergoes B-transformation to 181Ta followed by a number of y-rays which emit
K and L conversion electrons of energies 68, 124, 233, 289, 414 and 470 keV. The K and L
electron binding energies in Ta are 67.6 and 11.6 keV respectively. Find the y-ray energies.
(135.6, 300.6. 481.6 keV)​

Answer 1

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