Unit of radioactivity is__________________?

Related Mcqs:

1. Unit of radioactivity is_________________?

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

2. The phenomenon of radioactivity was discovered by___________________?

   A. Madam Curie
   B. Becquerel
   C. Roentgen
   D. J.J. Thomson

3. Radioactivity of an isotope is expressed in______________________?

   A. Barn
   B. MeV
   C. Curie
   D. Ergs

4. The ratio of volume of an atom to that of its nucleus is__________________?

   A. 1012
   B. 10-12
   C. 10-8
   D. 108

5. Nuclear fuel usually used in a Boiling Water Reactor (BWR) is__________________?

   A. Plutonium
   B. Enriched uranium
   C. Natural uranium
   D. Thorium

6. The radioisotope used to study the thyroid gland is__________________?

   A. Iodine
   B. Cobalt
   C. Iron
   D. Carbon

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

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

8. Thorium can be converted into U-233 in a _____________ reactor?

   A. Liquid metal cooled
   B. Fast breeder
   C. Thermal
   D. Swimming pool

9. Hydrogen differs from deuterium in _____________ properties?

   A. Radioactive
   B. Physical
   C. Chemical
   D. All A., B. and C.

10. Mass of a positron is same as that of a/an__________________?

    A. Electron
    B. α-particle
    C. Proton
    D. Neutron