The energy spectrum of beta-particles [number | vedclass

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(A) In $\beta$-decay,the energy released is shared between the $\beta$-particle (electron or positron) and an antineutrino (or neutrino). Because the

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(A) In $\beta$-decay,the energy released is shared between the $\beta$-particle (electron or positron) and an antineutrino (or neutrino). Because the energy is shared between two particles,the $\beta$-particles are emitted with a continuous range of energies from $0$ up to a maximum value $E_0$. The number of $\beta$-particles $N(E)$ emitted with a particular energy $E$ follows a characteristic distribution curve that starts at $N(E)=0$ for $E=0$,rises to a peak,and then drops to zero at the maximum energy $E_0$. This continuous spectrum is a fundamental feature of $\beta$-decay,as shown in option $A$.

The energy spectrum of $\beta$-particles [number $N(E)$ as a function of $\beta$-energy $E$] emitted from a radioactive source is:

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