A) neutron
B) antineutrino
C) proton
D) neutrino
Correct Answer: D
Solution :
Key Idea: In a nuclear reaction conservation of charge number and mass number must hold good. Let Z be the charge number and A the mass number of particle X, then conservation of charge number gives. 6 = 5 + 1 + Z \[\Rightarrow Z=0\] Conservation of mass number gives, 11 = 11 + 0 + A \[\Rightarrow \] A = 0 X is a particle of zero charge and zero mass. This particle may be neutrino or antineutrino. With positive \[\beta \]-particle, neutrino is emitted and with negative \[\beta \]-particle, antineutrino is emitted. Thus, in our case neutrino will be emitted.You need to login to perform this action.
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