a
high velocity electrons are abruptly stopped in metals
b
energy changes occur within the nuclei of atoms
c
energy changes occur within the electronic structure of atoms
d
electrons are deflected in very strong magnetic fields
Explanation
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florix
2 years ago
They are produced by the hottest and most energetic objects in the universe, such as neutron stars and pulsars, supernova explosions, and regions around black holes. On Earth, gamma waves are generated by nuclear explosions, lightning, and the less dramatic activity of radioactive decay.

