Radioactive co atomic number-27,mass number-60 is transformed into stable Ni atomic Number-28,mass number-60 by emitting two gamma rays of energies option 1)1.33Mev and 1.17Mev in succession 2) 1.17Mev and 1.33Mev in succession 3)1.37Mev and 1.13Mev in succession 4)1.13 Mev and 1.37Mev in succession 5)1.17Mev and1.13Mev in succession
Pata venkateswarlu , 6 Years ago
Grade 12