A. α-rays
B. β-rays
C. γ-rays
D. X-rays
Related Mcqs:
- The mass number of an element is not changed, when it emits _______________ radiations?
A. α & β
B. β & γ
C. γ & α
D. α, β, & γ - Which of the following factors is the most important in the site selection for a nuclear power plant ?
A. Absence of earthquake prone zone in nearby areas
B. Abundant availability of water
C. Remotely located from residential areas
D. Proximity to fuel source - Which of the following ores contains maximum percentage of uranium ?
A. Carnotite
B. Thorium
C. Rescolite
D. Pitchblende - Which of the following is not a good moderating material ?
A. Concrete
B. Boron
C. 18/8 stainless steel
D. All A., B. and C. - Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature and pressure limits of the reactor ?
A. Molten sodium cooled
B. CO2 gas cooled
C. Pressurised water
D. Boiling water - Which of the following undergoes fission reaction easily ?
A. U-235
B. U-238
C. Th-232
D. None of these - Out of the following, nucleus of _____________ atom contains the largest number of neutrons?
A. U-235
B. U-238
C. U-239
D. Pu-239 - Which of the following accounts for the maximum energy release in the nuclear fission process ?
A. Kinetic energy of fission products
B. Radioactive decay of fission products
C. Instantaneous release of γ-rays
D. Kinetic energy of neutrons - Which of the following is the most harmful for the human being ?
A. β-rays
B. X-rays
C. γ-rays
D. Ultra violet rays - Which of the following is a fuel for a fusion reactor (thermonuclear reactor) ?
A. Deuterium and tritium
B. U-233
C. Thorium
D. Heavy water
