43. Artificial radioactive isotopes find application in
A.Power generation
B.Medical field
C.Nuclear fission
D.Nuclear fusion

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44. A fast breeder reactor uses
A.90% U-235
B.U-238
C.U-235
D.Pu-239

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45. The nuclear energy is measured as
A.MeV
B.Curie
C.Farads
D.MW

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46. Half life of a radioactive isotope corresponds to the time required for half of the following to decay
A.Electrons
B.Atom
C.Neutrons
D.Nucleus

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47. The total energy released in fission of U235 is
A.5 MeV
B.10 MeV
C.199 MeV
D.168 MeV

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48. A reactor capable of converting a ferrite material into fissile isotopes is called
A.Regenerative reactor
B.Fast breeder reactor
C.Breeder reactor
D.Boiling water reactor

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49. Which of the following is more appropriate for a moderator. One which
A.Does not absorb neutrons
B.Absorbs neutrons
C.Accelerates neutrons
D.Eats up neutrons

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