Nuclei questions
336 published questions with worked solutions.
- The mass number of a nucleus is
- A nuclear reaction given by _Z X^A _ Z+1 Y^A + _ -1 e^0 + represents
- If in a nuclear fusion process the masses of the fusing nuclei be m_1 and m_2 and the mass of the resultant nucleus be m_3, then
- A nucleus represented by the symbol ^ A _ Z X has :-
- The half life of radium is about 1600 years. Of 100g of radium existing now, 25g will remain undecayed after :-
- M_P denotes the mass of a proton and M_n that of a neutron. A given nucleus, of binding energy B, contains Z protons and N...
- The binding energy of deuteron is 2.2 MeV and that of ^4_2 He is 28 MeV . If two deuterons are fused to form one ^4_2 He then the...
- In a radioactive material the activity at time t_1 is R_1 and at a later time t_2, it is R_2. If the decay constant of the...
- The radius of Germanium (Ge) nuclide is measured to be twice the radius of ^9_4 Be . The number of nucleons in Ge are:-
- If the nucleus ^ 27 _ 13 Al has a nuclear radius of about 3.6 fm, then ^ 125 _ 52 Te would have its radius approximately as
- In radioactive decay process, the negatively charged emitted ^- particles are
- A nucleus ^A_ZX has mass represented by M(A, Z). If M_p and M_n denote the mass of proton and neutron respectively and B.E. the...
- Two radioactive substances A and B have decay constants 5 and respectively. At t = 0 they have the same number of nuclei. The...
- Two radioactive materials X_1 and X_2 have decay constants 5 and respectively. If initially they have the same number of nuclei,...
- If M(A;Z), M_p and M_n denote the masses of the nucleus ^ A _ Z X, proton and neutron respectively in units of u (1 u = 931.5 MeV...
- In the nuclear decay given below: ^ A _ Z X ^ A _ Z+1 Y ^ A-4 _ Z-1 B ^ * ^ A-4 _ Z-1 B the particles emitted in the sequence are:
- The number of beta particles emitted by a radioactive substance is twice the number of alpha particles emitted by it. The...
- The decay constant of a radio isotope is . If A_1 and A_2 are its activities at times t_1 and t_2 respectively, the number of...
- The binding energy per nucleon in deuterium and helium nuclei are 1.1 MeV and 7.0 MeV, respectively. When two deuterium nuclei...
- The mass of a ^ 7 _ 3 Li nucleus is 0.042 u less than the sum of the masses of all its nucleons. The binding energy per nucleon...
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