Nuclear Physics MCQs
Nuclear Physics MCQs
Try to answer these Nuclear Physics MCQs and check your understanding of the Nuclear Physics subject.
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1: An element that undergoes radioactive decay becomes _________.
A. An entirely different element
B. Same element
C. Both of the above
2: What is a nuclide?
A. The nucleus of an atom
B. An unstable radioactive element
C. A specific type of atomic orbital
D. A specific combination of protons and neutrons in a nucleus
3: What is the process of radioactive decay?
A. The splitting of an atomic nucleus
B. The release of energy from an atom
C. The spontaneous transformation of an unstable nucleus into a more stable state
D. The absorption of radiation by an atom
4: Which of the following particles has a positive charge and is located in the nucleus of an atom?
A. Proton
B. Electron
C. Neutron
D. Photon
5: What is the term for the time it takes for half of the radioactive atoms in a sample to decay?
A. Half-life
B. Decay constant
C. Radioactive period
D. Transmutation time
6: Which type of radioactive decay involves the emission of an alpha particle from a nucleus?
A. Alpha decay
B. Beta decay
C. Gamma decay
D. Electron capture
7: What is the relationship between mass defect and binding energy in a nucleus?
A. Mass defect is directly proportional to binding energy
B. Mass defect is inversely proportional to binding energy
C. Mass defect is equal to binding energy
D. Mass defect is a measure of the difference between the mass of a nucleus and the sum of the masses of its individual nucleons
8: What is nuclear fission?
A. The process of combining two atomic nuclei to form a larger nucleus
B. The process of a nucleus spontaneously splitting into two smaller nuclei
C. The process of converting mass into energy
D. The process of releasing energy from the nucleus
9: What is the term for the minimum amount of fissile material required to sustain a nuclear chain reaction?
A. Critical mass
B. Supermassive
C. Fission threshold
D. Neutron flux
10: Which type of nuclear reaction involves the merging of two atomic nuclei to form a larger nucleus?
A. Nuclear fusion
B. Nuclear fission
C. Radioactive decay
D. Beta decay
11: What is the main source of energy in the Sun and other stars?
A. Nuclear fusion
B. Nuclear fission
C. Radioactive decay
D. Electron capture
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