| Discuss the general properties of nucleus. | 2019, 2021, 2022, 2024 |
| Discuss the properties of nuclear forces. | 2019 |
| Discuss the properties of α-particles and β-particles. | 2022 |
| What is radioactivity? State and explain radioactive decay law. From the decay law deduce an expression for half-life of a radioactive sample. | 2016 |
| Show that the average life period of a radioactive atom is the reciprocal of the radioactive constant. | 2018, 2024 |
| What is radio activity? Write down the properties of alpha, beta and gamma rays. | 2017, 2023 |
| Derive an expression for age of earth using radio-active dating and hence calculate the age of earth. | 2017 |
| Discuss radioactive dating and then estimate the age of the earth from the abundance of the two isotopes of uranium U238 and U206. | 2020 |
| Discuss secular equilibrium and transient equilibrium. | 2019, 2021, 2022 |
| Half-life of U238 is 4.51×109 years. What percentage of U238 that existed 1010 years ago still survives? | 2019, 2021, 2022 |
| Half life of Radium is 1600 years. In how many years will 1 gm of pure radium lose (i) one centigram, and (ii) be reduced to 1 centigram. | 2020, 2024 |
| Half-life of Radium is 26.8 minutes. Calculate the amount of Ra214 which activity is 1 curie. | 2017 |
| Half-life of Radon is 3.82 day. Find the time of decay to 60% of it. | 2018 |
| Draw binding energy curve and explain it with the help of fission and fusion. | 2017, 2024 |
| What is nuclear binding energy? Discuss the significance of average binding energy per nucleon. | 2020 |
| What is Binding energy and packing fraction of a nucleon? Draw BE curve. Show B.E=A(Mn−MH)+Z(Mp−Mn)C2. | 2018 |
| Calculate the mass defect and binding energy of a deuteron. | 2016 |
| Calculate the binding energy of a neutron in the 37Li nucleus. Express the result in joules. | 2023 |
| Explain nuclear fission and nuclear fusion reactions with example. What is the source of energy release in nuclear fission? Calculate the energy released in a fission of 235U nucleus. | 2016 |
| Explain nuclear fission and fusion reaction with examples. Hence write down the properties of α,β and γ. | 2023 |
| Discuss C-N cycle for energy release by fusion. | 2021 |
| Explain the construction and working principle of a nuclear reactor. | 2023 |
| Discuss construction and working principle of a nuclear reactor with a proper diagram. | 2024 |
| State and explain criticality of a reactor. Write down the conditions to have controlled chain reaction. | 2024 |
| Calculate rate of consumption of U235 per year for Roppur Nuclear Power Plant operating at 250 megawatts. | 2024 |