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Question
Physics
During a β- decay
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Q. During a $\beta^-$ decay
KCET
KCET 2020
A
An atomic electron is ejected
9%
B
An electron which is already present within the nucleus is ejected
25%
C
A neutron in the nucleus decays emitting an electron
45%
D
A proton in the nucleus decays emitting an electron
20%
Solution:
During $β^-$ decay, a neutron in the nucleus decays emitting an electron.