List of top Physics Questions on Nuclei asked in BITSAT

When ²35U undergoes fission, 0.1% of its original mass is changed into energy. How much energy is released if 1kg of ²35U undergoes fission?
The mass of ce¹5N is 15.00011u, mass of ce¹6O is 15.99492u and mp=1.00783u. Determine the binding energy of the last proton of ce¹6O.
A radioactive element X converts into another stable element Y. Half-life of X is 2 hours. Initially only X is present. After time t, the ratio of atoms of X and Y is found to be 1:4. Then t, in hours, is:
In an ore containing uranium, the ratio of U²38 to Pb²06 is 3. Calculate the age of the ore, assuming that all the lead present in the ore is the final stable product of U²38. Take the half-life of U²38 to be 4.5 × 10⁹ yr.
A radioactive substance decays with decay constant 0.5s⁻1 and is being produced at a constant rate of 50 nuclei per second. If there are no nuclei present initially, the time (in s) after which 25 nuclei will be present is:
The binding energy per nucleon of ¹0X is 9 MeV and that of ¹1X is 7.5 MeV. The minimum energy required to remove a neutron from ¹1X is:
When \({}^{235}\text{U}\) undergoes fission, 0.1% of its original mass is changed into energy. How much energy is released if 1 kg of \({}^{235}\text{U}\) undergoes fission?
After two hours, one-sixteenth of the starting amount of a certain radioactive isotope is remained undecayed. The half-life of the isotope is
The mass of \( ^{15}\text{N} \) is 15.00011 amu and that of \( ^{16}\text{O} \) is 15.99492 amu. The mass of a proton is 1.00783 amu. Determine the binding energy of the last proton of \( ^{16}\text{O} \).
A radioactive element X converts into another stable element Y. Half-life of X is 2 hours. Initially only X is present. After time t, the ratio of atoms of X and Y is found to be 1:4. Then t, in hours is:
A nucleus of uranium decays at rest into nuclei of thorium and helium. Then:
Let binding energy per nucleon of nucleus be denoted by \(E_{bn}\) and radius of nucleus be denoted as \(r\). If mass number of nuclei A and B are 64 and 125 respectively then:
If the total binding energies of \( ^{235}U \) and \( ^{233}U \) nuclei are 2.22, 28.3, 392 and 1786 MeV respectively, identify the most stable nucleus of the following.
Which one is correct about fission?
Which of the following is best nuclear fuel