Explanation
Uranium and plutonium are used as fuel in atomic pile.
Magic numbers
2,8,20,28,50,82 protons in nucleus
2,8,20,28,50,82,126 neutrons in nucleus .
These numbers provide stability to the nucleus.
γ radiations are not deflected by electric and magnetic field because they are neutral. Thus, have highest penetrating power.
γ rays are electromagnetic. It has velocity equal to light.
γ particles are neutral so can’t be defected by electric field.
α particles and β particles are deflected by electric field.
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