List of top Physics Questions on Nuclear Physics

Which particle is emitted during beta-minus decay?
Define ‘Mass defect’ and ‘Binding energy’ of a nucleus. Describe ‘Fission process’ on the basis of binding energy per nucleon.
A deuteron contains a proton and a neutron and has a mass of 2.013553 u. Calculate the mass defect for it in u and its energy equivalence in MeV.
Given:
\( m_p = 1.007277 \) u, \( m_n = 1.008665 \) u, \( 1 \) u = \( 931.5 \) MeV/\( c^2 \).
Which of the following figures correctly represents the shape of the curve of binding energy per nucleon as a function of mass number?
The \( \Delta^+ \) baryon with spin \( \frac{3}{2} \), at rest, decays to a proton and a pion (\( \Delta^+ \to p + \pi^0 \)). The \( \Delta^+ \) has positive intrinsic parity and \( \pi^0 \) has negative intrinsic parity. The orbital angular momentum of the proton-pion system (in integer) is:
Which of the following consideration(s) is/are showing that nuclear beta decay, \( n \to p + e^{-} + \bar{\nu}_e \), has to be a three-body decay?
The nuclear energy levels of mirror nuclei are similar. Using this empirical fact alone, the nuclear force can be said to be independent of which one of the following properties of the nucleons?

Consider two hypothetical nuclei \( X_1 \) and \( X_2 \) undergoing \( \beta \) decay, resulting in nuclei \( Y_1 \) and \( Y_2 \), respectively. The decay scheme and the corresponding \( J^P \) values of the nuclei are given in the figure. Which of the following option(s) is/are correct? (\( J \) is the total angular momentum and \( P \) is parity)


 

Which one of the following baryons has strangeness quantum number \( S = -1 \)?
The \( \Delta^+ \) baryon with spin \( \frac{3}{2} \), at rest, decays to a proton and a pion (\( \Delta^+ \to p + \pi^0 \)). The \( \Delta^+ \) has positive intrinsic parity and \( \pi^0 \) has negative intrinsic parity. The orbital angular momentum of the proton-pion system (in integer) is:
Assertion (A): An alpha particle is moving towards a gold nucleus. The impact parameter is maximum for the scattering angle of 180°. % Reason (R) Reason (R): The impact parameter in an alpha particle scattering experiment does not depend upon the atomic number of the target nucleus.
The potential energy between two nucleons inside a nucleus is minimum at a distance of about:
An $\alpha$-particle is emitted from the decay of Americium (Am) at rest, i.e., $^{241}_{94}Am \Rightarrow ^{237}_{92}U + \alpha$. The rest masses of $^{241}_{94}Am$, $^{237}_{92}U$ and $\alpha$ are $224.544~\text{GeV}/c^{2}$, $220.811~\text{GeV}/c^{2}$ and $3.728~\text{GeV}/c^{2}$ respectively. What is the kinetic energy (in $\text{MeV}/c^{2}$, rounded off to two decimal places) of the $\alpha$-particle?

A $^{60}$Co nucleus emits a $\beta$-particle and is converted to $^{60}$Ni$^{*}$ with $J^P = 4^+$, which in turn decays to the $^{60}$Ni ground state with $J^P = 0^+$ by emitting two photons in succession, as shown in the figure. Which one of the following statements is CORRECT?

It is given that the electronic ground state of a diatomic molecule $X_2$ has even parity and the nuclear spin of $X$ is 0. Which one of the following is the CORRECT statement with regard to the rotational Raman spectrum ($J$ is the rotational quantum number) of this molecule?
The deuteron is a bound state of a neutron and a proton. Which of the following statements is/are CORRECT?
Identify the correct statement(s) regarding nuclei:

In the thermal neutron induced fission of \(^{235}U\), the distribution of relative number of the observed fission fragments (Yield) versus mass number (A) is given by 

 

The relation between the nuclear radius \( R \) and the mass number \( A \), given by \( R = 1.2 A^{1/3} \) fm, implies that
An electron accelerated through a potential difference $V_1$ has a de-Broglie wavelength of $\lambda$. When the potential is changed to $V_2$, its de-Broglie wavelength increases by $50 \%$. The value of $\left(\frac{V_1}{V_2}\right)$ is equal to