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Atoms — Physics STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 SciencePhysicsAtoms1 Mark
MCQ
Mark out the incorrect statement:
  • A
    A free neutron can transform itself into photon
  • B
    A free proton can transform itself into neutron
  • C
    In beta minus decay, the electron originates from nucleus
  • D
    All of the above
✓

Answer

  1. A free neutron can transform itself into photon

Explanation:

In beta minus decay, a neutron decays into a proton, an electron.

A free neutron is unstable, decaying to a proton, electron and antineutrino.

Inside a nucleus, a proton can transform into a neutron via inverse beta.

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