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NEET 2003 (AIPMT) · Radioactive Decays: Alpha, Beta, Gamma

Radioactive Decays: Alpha, Beta, Gamma question from NEET 2003 (AIPMT)

Q37NEET 2003 · AIPMTEasy

Radioactive Decays: Alpha, Beta, Gamma

A nuclear reaction given by

ZXA →\rightarrow z+1YA + −-1e0 + vˉ\bar{v} represents

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Answer: (a)

  1. The reaction is ZXA→Z+1YA+−1e0+νˉ{}_{Z}X^{A} \to {}_{Z+1}Y^{A} + {}_{-1}e^{0} + \bar{\nu}.
  2. A neutron changes into a proton, emitting an electron and an antineutrino; AA is unchanged and ZZ rises by 1.
  3. This is β−\beta^- decay.
  4. So the answer is (a) β\beta-decay.
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