Critical energy should be _______________ the neutron binding energy of the atom in order to initiate a nuclear fission?

Related Mcqs:

1. Number of secondary neutron emitted on fission of an atom of U-235 by slow neutron bombardment is_______________?

   A. 3 B. 235 C. 200 D. 92...

2. The number of neutrons accompanying the formation of 54Xe139 and 38Sr94 from the absorption of a slow neutron by 92U235, followed by nuclear fission is __________________?

   A. 1 B. 2 C. 3 D. 4...

3. Energy produced in the nuclear fission is of the order of _____________ MeV?

   A. 20 B. 200 C. 1000 D. 2000...

4. Velocity of the thermal neutron (< 0.025 eV) used for fission of U-235 is around _____________ m/sec?

   A. 1 B. 2200 C. 3 × 1011 D. 9 × 1021...

5. Primary purpose of a ____________ nuclear reactor is to supply a high neutron flux of the order of 1013 to 1014neutrons/cm2 second?

   A. Research B. Power C. Breeder D. Homogeneous...

6. The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about ______________ metres/second?

   A. 1100 B. 2200 C. 3300 D. 4400...

7. Which of the following accounts for the maximum energy release in the nuclear fission process ?

   A. Kinetic energy of fission products B. Radioactive decay of fission products C. Instantaneous release of γ-rays D. Kinetic energy of neutrons...

8. First experimental observation of nuclear fission was done by ____________________?

   A. Plane B. Rutherford C. Fermi D. Hahn and Strassmann...

9. An element having large number of ______________ is most easily subjected to nuclear fission?

   A. Protons B. Electrons C. Neutrons D. Nucleons...

10. The sum of masses of two nuclei produced in nuclear fission compared to the mass of original nucleus is_____________________?

    A. Less B. More C. Same D. Much more...