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What Is Radioactivity?

A radioactive...

Question

A radioactive source emits three types of radiations. From which part of the atom do these radiations come ?

A

Protons

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B

Neutrons

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C

Nucleus

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D

Electrons

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Solution

The correct option is B Nucleus
Radioactive decay is a nuclear phenomena in which three radiations comes out i.e. $α$ , $β$ & $γ$ rays.
The nucleus of the atom becomes unstable in some elements & emit radioactive radiations.

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