Uses of radiation

What is alpha made of (sometimes written 'what is the nature of alpha radiation?')

• 2 protons and 2 neutrons

• A fast moving electron

• A high energy wave

What is the nature of Beta radiation?

• 2 protons and 2 neutrons

• A fast moving electron

• A high energy wave

What is the nature of Gamma radiation?

• 2 protons and 2 neutrons

• A fast moving electron

• A high energy wave

Which type of radiation is the most penetrating?

• Alpha

• Beta

• Gamma

Which type of radiation is the most ionising?

• Alpha

• Beta

• Gamma

Ionising: making into a ____ particle

• heavy

• smelly

• charged

• neutral

Smoke alarms use alpha because it is

• Most penetrating

• Most ionising

• Least penetrating

• Least ionising

Radiotherapy uses gamma because it is

• Most penetrating

• Most ionising

• Least penetrating

• Least ionising

Food irradiation uses gamma because it is

• Most penetrating

• Most ionising

• Least penetrating

• Least ionising

Thickness control uses

• Alpha

• Beta

• Gamma