N5 Radiation Quiz

What is meant by a beta particle? What charge does it have?

• A helium nucleus with a positive charge

• An electron with a negative charge

• A neutron with no charge

• A proton with a positive charge

What is meant by a gamma ray? What charge does it have?

• A helium nucleus with a positive charge

• An electron with a negative charge

• A neutron with no charge

• Electromagnetic radiation with no charge

What is the definition of ionisation?

• The process of adding electrons to an atom

• The process of removing electrons from an atom

• The process of splitting an atom

• The process of combining two atoms

What effect does ionising radiation have on a neutral atom?

• It adds protons to the atom

• It removes neutrons from the atom

• It ionises the atom by removing electrons

• It combines the atom with another atom

What is the annual effective dose limit for members of the public?

• 1 mSv

• 5 mSv

• 10 mSv

• 20 mSv

What is an experiment that can be used to measure the half-life of a radioactive material?

• Measuring the temperature change over time.

• Observing the color change of the material.

• Measuring the decay rate over time.

• Observing the material under a microscope.

Why are chain reactions useful in nuclear power plants?

• They produce a large amount of energy

• They reduce the need for fossil fuels

• They create a stable environment for chemical reactions

• They are easy to control and stop

What are the benefits of nuclear fusion?

• It produces long-lived radioactive waste

• It requires a large amount of fuel

• It produces a large amount of energy with minimal waste

• It is easy to achieve and maintain

What is plasma containment?

• The process of splitting a nucleus

• The method of maintaining plasma in a stable state

• The conversion of energy into mass

• The process of chemical bonding

What is the main challenge of achieving nuclear fusion?

• Producing a large amount of radioactive waste

• Maintaining a stable plasma state

• Finding a sufficient amount of fuel

• Controlling chemical reactions