{}_{14}^{27}\text{Si} and {}_{13}^{27}\text{Al} are mirror nuclei. Their ground states are identical except the charge. If their mass difference is 6\text{ MeV}, estimate their radius neglecting the proton-neutron mass difference.
Write down the quark structure of \pi^0, \pi^+, \text{K}^0 and \text{K}^+ mesons.
What is solar neutrino problem and how the phenomenon of neutrino oscillations provides a solution for the problem?
Why was neutrino invoked upon by Fermi and how was it placed into experimental evidence?
How magnetic moment and electric quadrupole moment of deuteron indicate the presence of non-central forces in deuteron?
What is the importance of the study of deuteron? Discuss the problem of ground state of deuteron and elicit information about nuclear forces from this study.
How many fissions take place per second in a 300\text{ MW} reactor? Assume that 200\text{ MeV} is the energy released per fission.
The masses of hydrogen atom and neutron are 1 \cdot 007825\text{ u} and 1 \cdot 008665\text{ u} respectively. Calculate the binding energy per nucleon of {}^{12}_6\text{C} nucleus.
Discuss the four basic types of fundamental interactions in nature and compare them.
(i) Explain how the helicity of neutrino can be measured. (ii) What are 'strange particles' and what is 'strangeness number' ?
What is Q value of a nuclear reaction ? Obtain an expression for the Q-value in terms of mass and energy of the particles.
On the basis of binding energy curve explain why energy is released both in Fission and Fusion.
What are quarks ? Give any four properties. Give quark composition of the following particles : p,\quad n,\quad \Lambda^\circ,\quad \Pi^+,\quad K^+
What type of interaction takes place in the following reactions and justify your answer. (i) \mu^- \longrightarrow e^- + u_e + \bar{\nu}_\mu (ii) p + \mu^- \longrightarrow n + u_\mu
What are the reactor materials used in design and construction of a nuclear reactor and their important functions ?
What are magic numbers in an atomic nucleus and why are they so called ? How is it explained using nuclear shell model ?
Explain the source of energy in stars using proton-proton thermonuclear reaction cycles.
Find the density of {}^{12}_6 C nucleus. (Given, nuclear radius of carbon = 2\cdot 7 \times 10^{-15} \text{ m})
Write the quark composition of the following :
(i) Neutron
(ii) Proton
(iii) \Lambda
(iv) \text{K}^-
(v) \pi^+
What are magic numbers ? Discuss the shell structure of a nucleus. How is this model able to explain various properties of nuclei ? Discuss the limitations of this model.
