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# Write Nuclear Reaction Equations for β−-decay of 3215p - CBSE (Science) Class 12 - Physics

#### Question

Write nuclear reaction equations for β-decay of ""_15^32P

#### Solution

α is a nucleus of helium (""_2He^4) and β is an electron (e− for β− and e+ for β+). In every α-decay, there is a loss of 2 protons and 4 neutrons. In every β+-decay, there is a loss of 1 proton and a neutrino is emitted from the nucleus. In every β−-decay, there is a gain of 1 proton and an antineutrino is emitted from the nucleus.

""_15^32P -> _16^32S + e^(-) + bar v

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Solution Write Nuclear Reaction Equations for β−-decay of 3215p Concept: Radioactivity - Introduction of Radioactivity.
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