Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 12
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During a Negative Beta Decay, - Physics

MCQ

During a negative beta decay,

Options

  • an atomic electron is ejected

  • an electron which is already present within the nucleus is ejected

  • a neutron in the nucleus decays emitting an electron

  • a proton in the nucleus decays emitting an electron.

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Solution

a neutron in the nucleus decays emitting an electron

Negative beta decay is given as

`n → p + e^(-) + barnu`

Neutron decays to produce proton, electron and anti-neutrino.

Concept: Radioactivity - Beta Decay
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APPEARS IN

HC Verma Class 11, Class 12 Concepts of Physics Vol. 2
Chapter 24 The Nucleus
MCQ | Q 13 | Page 441
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