The 92U238 emits an a-particle. The product is____________________?

Related Mcqs:

1. The atomic number of a radioactive element is not changed, when it emits _____________ rays?

   A. α
   B. β
   C. γ
   D. α & β

2. The mass number of an element is not changed, when it emits _______________ radiations?

   A. α & β
   B. β & γ
   C. γ & α
   D. α, β, & γ

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

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

4. The emission of an a-particle causes the resultant nucleus to have____________________?

   A. More atomic weight and less atomic number
   B. Less atomic weight and less atomic number
   C. Less atomic weight and more atomic number
   D. None of these

5. Coolant used in a fast breeder reactor is____________________?

   A. Molten sodium
   B. Heavy water
   C. Ordinary water
   D. Helium

6. Final product of uranium extraction plant at Jadugoda (Bihar) is________________?

   A. Uranium
   B. Uranium oxide
   C. Uranium carbide
   D. Magnesium diuranate

7. The decay product of tritium (a beta emitter) is_________________?

   A. Lithium
   B. Helium
   C. Deuterium
   D. Hydrogen

8. Unit of radioactivity is_________________?

   A. Barn
   B. Fermi
   C. Angstrom
   D. Curie

9. Ordinary water is not used as a moderator because, it___________________?

   A. Has a low absorption cross-section
   B. Has a low scattering cross-section
   C. Absorbs neutrons
   D. Does not absorb neutrons

10. Sodium melts (at atmospheric pressure) at a temperature of ____________ °C?

    A. 58
    B. 98
    C. 348
    D. 588