Atomic and Nuclear Physics MCQs with Answers

The process of splitting a heavy nucleus into smaller nuclei is called ____________.

The phenomenon in which unstable nuclei undergo spontaneous decay to become more stable is called ____________.

The total number of protons and neutrons in the nucleus of an atom is called its ____________.

The process of combining two light nuclei to form a heavier nucleus releases a large amount of ____________.

The SI unit of radiation dose equivalent is the ____________.

The SI unit of radioactivity is ____________.

The process of converting mass into energy in the sun and other stars is called ____________.

The type of radiation that is least damaging to living tissue is ____________.

The type of radiation that consists of high-energy particles, such as protons or neutrons, emitted from the nucleus of an atom is called ____________.

The type of radiation that can be stopped by a sheet of paper or a few centimeters of air is ____________.

The type of radiation that can be stopped by several centimeters of lead or concrete is ____________.

The type of radiation that can penetrate several centimeters of lead is ____________.

The half-life of a radioactive isotope is the time it takes for ____________.

The process of converting mass into energy in the sun and other stars is called ____________.

The number of protons in an atom is called its ____________.

The time required for half of the radioactive nuclei in a sample to decay is called the ____________.

The type of radiation that consists of helium nuclei emitted from the nucleus of an atom is called ____________.

The type of radiation that consists of fast-moving electrons emitted from the nucleus of an atom is called ____________.

The process of emitting particles or radiation from the nucleus of an unstable atom is called ____________.

The process of combining two light nuclei to form a heavier nucleus is the primary source of energy in ____________.

The type of radiation that consists of high-energy particles, such as protons or neutrons, emitted from the nucleus of an atom is called ____________.

The type of radiation that consists of high-energy particles, such as protons or neutrons, emitted from the nucleus of an atom is called ____________.

The process of determining the age of an object by measuring the amount of a radioactive isotope it contains is called ____________.

The type of radioactive decay in which an unstable nucleus emits an alpha particle is called ____________.

The type of radioactive decay in which an unstable nucleus emits a beta particle is called ____________.

The process of converting mass into energy in the sun and other stars is called ____________.

The type of radiation that can be stopped by a few millimeters of aluminum or plastic is ____________.

The type of radiation that consists of high-energy particles, such as protons or neutrons, emitted from the nucleus of an atom is called ____________.

The type of radioactive decay in which an unstable nucleus emits a positron is called ____________.

The type of radiation that is least damaging to living tissue is ____________.

The process of converting mass into energy in the sun and other stars is called ____________.

The type of radiation that consists of high-energy photons emitted from the nucleus of an atom is called ____________.

The type of radiation that is least damaging to living tissue is ____________.

The type of radiation that is least damaging to living tissue is ____________.

The number of neutrons in an atom is determined by subtracting the ____________ from the mass number.

The energy released when nuclei combine to form a heavier nucleus is called ____________.

The type of radiation that is most damaging to living tissue is ____________.

The nucleus of an atom is composed of ____________.

The process of determining the identity and relative abundance of isotopes in a sample is called ____________.

The process of combining two light nuclei to form a heavier nucleus is called ____________.