List of top Physics Questions on Nuclear physics asked in VITEEE

The binding energy per nucleon is maximum for:
The activity of a radioactive sample decreases to 25% of its initial value in 60 days. The half-life is:
The half-life of a radioactive element is 8 days. The fraction remaining after 32 days is:
The half-life period and the mean life period of a radioactive element are denoted respectively by \( T_h \) and \( T_m \). Then:
Radioactive element decays to form a stable nuclide, then the rate of decay of reactant is shown by:
The Binding energy per nucleon of \( \dfrac{3}{2} Li \) and \( \dfrac{4}{2} He \) nuclei is 5.60 MeV and 7.06 MeV, respectively.
The activity of a radioactive sample is measured as 9750 counts per minute at \( t = 0 \) and as 975 counts per minute at \( t = 5 \) minutes. The decay constant is approximately:
In which sequence the radioactive radiations are emitted in the following nuclear reaction? \[ Z^{X}A \rightarrow Z+1Y^{A} \rightarrow Z-1K^{A-4} \]
The half-life of radioactive Radon is 3.8 days. The time at the end of which \( \frac{1}{20} \)th of the radon sample will remain undecayed is given (using \( \log_e = 0.4343 \))
If the nuclear radius of \( ^{27}Al \) is 3.6 Fermi, the approximate nuclear radius of \( ^{64}Cu \) in Fermi is
If the nuclear radius of $^{27}Al$ is 3.6 Fermi, the approximate nuclear radius of $^{64}Cu$ in Fermi is
The rate of volume occupied by an atom to the volume of the nucleus is
The half-life for \(\alpha\)-decay of uranium \( U^{228} \) is 4.47 × 10\(^8\) yr. If a rock contains 60% of the original \( U^{228} \) atoms, then its age is
A nuclear transformation is given by \[ Y(n, \alpha) \rightarrow L_i^{1} \] . The nucleus of element Y is
Following process is known as?
The activity of a radioactive sample is measured as \( N_0 \) counts per minute at \( t = 0 \) and \( N \) counts per minute at \( t = 5 \) min. The time, in minutes, at which the activity reduces to half its value is?
A neutron is moving with velocity \( v \). It collides head on and elastically with an atom of mass number \( A \). If the initial kinetic energy of the neutron is \( E \), then how much kinetic energy will be retained by the neutron after reflection?
If the nuclear fission piece of uranium of mass 5.0 g is lost, the energy obtained in kWh is?
If in a nuclear fission, piece of uranium of mass $5.0\, g$ is lost, the energy obtained in $kWh$ is
Calculate the energy released when three \( \alpha \)-particles combined to form a \( \text{C}^{12} \) nucleus, the mass defect is
Highly energetic electrons are bombarded on a target of an element containing 30 neutrons. The ratio of radius of nucleus to that of Helium nucleus is (14)³. The atomic number of nucleus will be
A radioactive substance contains 10000 nuclei and its half-life period is 20 days. The number of nuclei present at the end of 10 days is
If the binding energy per nucleon in \( \text{Li}^7 \) and \( \text{He}^4 \) nuclei are respectively \( 5.60 \, \text{MeV} \) and \( 7.06 \, \text{MeV} \), then the energy of the reactor \[ \text{Li}^7 + p \to \text{He}^4 + 2e \] is
A nucleus \( _{Z}^A X \) emits an \( \alpha \)-particle. The resultant nucleus emits a \( \beta^- \)-particle. The respective atomic and mass numbers of final nucleus will be:
What is the age of an ancient wooden piece if it is known that the specific activity of \( C \)-nuclide in it is one-third of that in freshly grown trees? Given that the half-life of \( C \)-nuclide is 5700 years: