a) Gamma Decay Energy Gamma, y, rays are electromagnetic radiation emitted from atomic nuclei The bundles of energy emitted are called photons Excited nuclei are called isomers. and de-excitation is called isomeric transition(T) Energy for photons hv=EiEf dmNa 1t others G ramna hoton DecayGamma Decay Energy Gamma, , rays are electromagnetic radiation emitted from atomic nuclei. The bundles of energy emitted are called photons. Ei ____________ h v Ef ____________ Eothers _________ Excited nuclei are called isomers, and de-excitation is called isomeric transition (IT). Energy for photons h v = E i - E f a)