A. Radioactive
B. Physical
C. Chemical
D. All A., B. and C.
Related Mcqs:
- Both tritium and deuterium have the same number of_______________?
A. Neutrons
B. Electrons
C. Protons
D. Nucleons - Hydrogen bomb employs the nuclear fusion of __________________ ?
A. Hydrogen
B. Deuterium
C. Tritium
D. Helium - Hydrogen has ______________ isotopes?
A. No
B. One
C. Two
D. Three - Which one is the radioactive isotope of hydrogen ?
A. Deuterium
B. Ortho-hydrogen
C. Tritium
D. None of these - Thorium can be converted into U-233 in a _____________ reactor?
A. Liquid metal cooled
B. Fast breeder
C. Thermal
D. Swimming pool - Net efficiency of ordinary light water cooled nuclear reactor is about _____________ percent?
A. 32
B. 52
C. 72
D. 88 - The amount of a radioisotope remaining undecayed after a time equal to four times its half life, will be _____________ percent?
A. 3.125
B. 6.25
C. 12.50
D. 25 - U-235 content in enriched uranium, that is normally used in power reactors (e.g., at Tarapur atomic power plant), is about _____________ percent?
A. 85
B. 50
C. 3
D. 97 - Fast breeder reactors are most usable in India, because of our largest _____________ deposits?
A. Thorium
B. Plutonium
C. Uranium
D. None of these - A radioactive isotope undergoes decay with respect to time following _____________ law?
A. Logarithmic
B. Exponential
C. Linear
D. Inverse square