FUN 1 EO: 1.12 - Radiation Protection Tech.

FUN 1 EO: 1.12

1 / 10

What happens to 16N7 after neutron absorption?

Remains stable without any decay

Decays to 16O8 with a 7.13-second half-life by emitting a beta particle

Transforms into 17N7 by emitting a proton

Decays to 16O8 by emitting a gamma ray

2 / 10

What is the main consideration in the design of shielding for nuclear facilities concerning the reactions 16O8 (n, p) 16N7 and 17O8 (n, p) 17N7?

The neutrons and high-energy gamma rays emitted by these isotopes

The long half-life of these isotopes

The significant chemical effect on reactor coolant

The absorption of alpha particles

3 / 10

In radiative capture, how does the compound nucleus decay to its ground state?

By neutron emission

By proton emission

By alpha emission

By gamma emission

4 / 10

What type of scattering results in the target nucleus being left in an excited state after neutron emission?

Inelastic Scattering

Elastic Scattering

Radiative Capture

Particle Ejection

5 / 10

In a particle ejection reaction, what may or may not exist after a new particle is ejected?

The compound nucleus always returns to the ground state.

The original nucleus is always left in an excited state.

The incident neutron always leaves the nucleus.

The remaining nucleus may or may not exist in an excited state.

6 / 10

What is the decay product of Tritium (3H)?

Emission of a strong gamma ray

Transformation into deuterium (2H)

Emission of a very weak particle (0.02 Mev) and no gamma rays

Emission of a neutron and a gamma ray

7 / 10

What type of scattering occurs when there is no energy transferred into nuclear excitation?

Compound Scattering

Elastic Scattering

Inelastic Scattering

Radiative Capture

8 / 10

What is the net effect of a neutron scattering reaction?

The nucleus is left in an excited state.

A gamma ray is emitted from the nucleus.

It's as if the projectile neutron had merely "bounced off" the nucleus.

A proton is ejected from the nucleus.

9 / 10

What type of reaction involves the absorption of a fast neutron by a nucleus followed by the ejection of a proton?

Neutron-proton or n-p reactions

Radiative Capture reactions

Inelastic Scattering reactions

Elastic Scattering reactions

10 / 10

In potential elastic scattering, what occurs to the neutron?

It loses all its kinetic energy to the nucleus.

It is acted on and scattered by short-range nuclear forces.

It forms a compound nucleus with the target nucleus.

It emits a gamma ray.

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