During a negative beta decay,
- AAn atomic electron is ejected.
- BAn electron which is already present within the nucleus is ejected.
- C$A$ neutron in the nucleus decays emitting an electron.
- D$A$ part of the binding energy is converted into an electron.
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Similar Questions
In which radioactive disintegration does a neutron dissociate into a proton and an electron?
Easy
View Solution$A$ radioactive decay forms an isotope of the original nucleus with the emission of which of the following particles?
Assertion : The ionising power of $\beta$-particle is less compared to $\alpha$-particles but their penetrating power is more.
Reason : The mass of $\beta$-particle is less than the mass of $\alpha$-particles.
Reason : The mass of $\beta$-particle is less than the mass of $\alpha$-particles.
An element $A$ decays into element $C$ by a two-step process:
$A \to B + {\;_2}He^4$
$B \to C + 2e^-$
Then:
$A \to B + {\;_2}He^4$
$B \to C + 2e^-$
Then:
MediumAIPMT 1989
View SolutionWho discovered radioactivity?
Easy
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