Nuclei questions
336 published questions with worked solutions.
- When _3Li' nuclei are bombarded by protons, and the resultant nuclei are _4Be^8, the emitted particles will be
- If the binding energy per nucleon in ^7_3Li and ^4_2He nuclei are 5.60MeV and 7.06MeV respectively, then in the reaction p +...
- In gamma ray emission from a nucleus
- The half-life period of a radio-active element X is same as the mean life time of another radioactive element Y . Initially they...
- This question contains Statement −1 and Statement-2. Of the four choices given after the statements, choose the one that best...
- A radioactive nucleus (initial mass number A and atomic number Z) emits 3α-particles and 2 positrons. The ratio of number of...
- The half life of a radioactive substance is 20 minutes. The approximate time interval (t_2 - t_1) between the time t_2 when 23 of...
- The sun radiates energy in all directions. The average radiations received on the earth's surface from the sun per second is 1.4...
- The repulsive force between the positively charged protons does not throw them apart, because
- The repulsive force between the positively charged protons does not throw them apart because
- The size of nucleus is directly proportional to
- The sodium nucleus _ 11 ^ 23 Na contains
- Energy equivalence of one unified atomic mass is
- Mass defect of a nucleus is the
- According to Einstein's mass-energy equivalence,
- Relation between nuclear radius r and mass number A is given by
- M_n and M_p represent mass of neutron and proton respectively. If an element having atomic mass M has N-neutrons and Z-protons,...
- The average value of nuclear density in kg ,m^ -3 is
- Nucleons are
- The mass number of a nucleus is
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