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प्रश्न
Answer the following question about β-radiation.
From which part of an atom it is emitted?
लघु उत्तरीय
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उत्तर
A β-particle is emitted from the nucleus of an atom. During β decay, a neutron in the nucleus changes into a proton and an electron; the proton remains inside the nucleus and the electron is ejected as a β-particle.
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