Solar energy results from _______________ reaction?

Related Mcqs:

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

   A. Equal to
   B. Less than
   C. More than
   D. Either more or less

2. 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

3. In a nuclear explosion, the energy is released primarily in the form of _____________ energy?

   A. Potential
   B. Thermal
   C. Kinetic
   D. Electrical

4. Radioactive decay of a material involves a _____________ order reaction?

   A. Third
   B. Second
   C. First
   D. Zero

5. Which of the following undergoes fission reaction easily ?

   A. U-235
   B. U-238
   C. Th-232
   D. None of these

6. In the nuclear reaction, 93N239→ 94Pu239 + ?; the missing particle is a/an__________________?

   A. Electron
   B. Proton
   C. Neutron
   D. Position

7. Thermal neutrons which are used to cause the fission of U-235 have energy _____________ eV?

   A. < 0.025
   B. > 1
   C. 1-25
   D. > 200

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

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

9. 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

10. Energy equivalent to one atomic mass unit (amu) is ______________ MeV?

    A. 9.31
    B. 93.1
    C. 931
    D. 9310