(C) The process of $\beta^{-}$-decay is represented by the following nuclear reaction:${ }_{Z}^{A} X \longrightarrow{ }_{Z+1}^{A} Y + e^{-} + \bar{\nu

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a neutron in the nucleus decays emitting an electron

(C) The process of $\beta^{-}$-decay is represented by the following nuclear reaction:${ }_{Z}^{A} X \longrightarrow{ }_{Z+1}^{A} Y + e^{-} + \bar{\nu} + Q$In this process,a neutron inside the nucleus transforms into a proton,emitting an electron $(e^{-})$ and an anti-neutrino $(\bar{\nu})$.Therefore,the correct statement is that a neutron in the nucleus decays,emitting an electron.

Class 12 Physics Nuclei Properties of Alpha, Beta and Gamma Rays and Decay Process

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During a $\beta^{-}$-decay,

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A
an atomic electron is ejected
B
an electron which is already present within the nucleus is ejected
C
a neutron in the nucleus decays emitting an electron
D
a proton in the nucleus decays emitting an electron

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Nuclei

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Properties of Alpha, Beta and Gamma Rays and Decay Process

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Choose the correct nuclear process from the below options $[p : \text{proton}, n : \text{neutron}, e^{-} : \text{electron}, e^{+} : \text{positron}, v : \text{neutrino}, \overline{v} : \text{antineutrino}]$.

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$A$ radioactive nucleus with $Z$ protons and $N$ neutrons emits an $\alpha$-particle,$2\beta^-$-particles,and $2$ gamma rays. The number of protons and neutrons in the nucleus left after the decay,respectively,are:

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$A$ nucleus with mass number $184$ initially at rest emits an $\alpha$-particle. If the $Q$ value of the reaction is $5.5\, \text{MeV}$,calculate the kinetic energy of the $\alpha$-particle in $\text{MeV}$.

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Which of the following is deflected by an electric field?

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Which one of the following cannot emit $\gamma$-radiation and why? $(i)$ Excited nucleus,(ii) Excited electron.

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During a $\beta^{-}$-decay,

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Choose the correct nuclear process from the below options $[p : \text{proton}, n : \text{neutron}, e^{-} : \text{electron}, e^{+} : \text{positron}, v : \text{neutrino}, \overline{v} : \text{antineutrino}]$.

$A$ radioactive nucleus with $Z$ protons and $N$ neutrons emits an $\alpha$-particle,$2\beta^-$-particles,and $2$ gamma rays. The number of protons and neutrons in the nucleus left after the decay,respectively,are:

$A$ nucleus with mass number $184$ initially at rest emits an $\alpha$-particle. If the $Q$ value of the reaction is $5.5\, \text{MeV}$,calculate the kinetic energy of the $\alpha$-particle in $\text{MeV}$.

Which of the following is deflected by an electric field?

Which one of the following cannot emit $\gamma$-radiation and why? $(i)$ Excited nucleus,(ii) Excited electron.

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