A. Geiger-Muller Counter
B. Cyclotron
C. Cold chamber
D. Mass spectrograph
A. It is difficult to control fusion reaction
B. The fuel required (e.g. deuterium and tritium) is scarce
C. It is difficult to initiate fusion reaction
D. Quantity of fuel required for initiating fusion reaction is prohibitively high
A. Sustainment of chain reaction
B. Power generation on commercial scale
C. Economic power generation
D. None of these
A. Chemical
B. Pyrometallurgical
C. Physical beneficiation
D. Electrometallurgical
A. Carnotite
B. Thorium
C. Rescolite
D. Pitchblende
A. U-235
B. U-238
C. Pb-206
D. Bi-209
A. Electron
B. α-particle
C. Proton
D. Neutron