Nuclear Science

What is the process by which an unstable atomic nucleus loses energy through radiation?

Nuclear fission

Nuclear fusion

Radioactive decay

Electron capture

Which of the following particles has a positive charge?

Proton

Neutron

Electron

Positron

What is the unit used to measure the activity of a radioactive source?

Joule

Watt

Curie

Volt

Which of the following is not a type of ionizing radiation?

Alpha particles

Beta particles

Gamma rays

X-rays

What is the half-life of a radioactive substance?

The time it takes for half of the atoms in a sample to decay

The time it takes for all of the atoms in a sample to decay

The time it takes for a radioactive substance to become stable

The time it takes for a radioactive substance to emit radiation

Which element is commonly used as fuel in nuclear power plants?

Uranium

Hydrogen

Oxygen

Carbon

What is the process by which multiple atomic nuclei combine to form a heavier nucleus?

Nuclear fission

Nuclear fusion

Radioactive decay

Electron capture

Which of the following is not a type of nuclear reactor?

Pressurized water reactor

Boiling water reactor

Gas-cooled reactor

Coal-fired reactor

What is the primary purpose of a control rod in a nuclear reactor?

To absorb excess neutrons and regulate the reactor's power output

To generate electricity

To cool the reactor core

To initiate nuclear fission reactions

What is the main advantage of using nuclear energy for electricity generation?

Low cost

Renewable source

Minimal environmental impact

High energy density

Nuclear Science

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