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
Answer: Option B
This Question Belongs to Chemical Engineering >> Nuclear Power Engineering
Related Questions on Nuclear Power Engineering
Heavy water (D2O) in a nuclear reactor serves as a
A. Coolant
B. Moderator
C. Both A & B
D. Neutron absorber
Moderating material used in a thermal-reactor should be a
A. Good absorber of neutrons
B. Solid substance
C. Poor absorber of neutrons
D. None of these
Join The Discussion