AQA GCSE Physics - Properties of nuclear radiation

What is the structure of an alpha particle?

• An electron
• A neutron
• Two protons and two neutrons. This is the same as a helium nucleus.
• An electromagnetic wave

Which type of radiation is the least penetrating?

• Alpha
• Beta
• X-ray
• Gamma

Which type of radiation travels the furthest in air?

• Alpha

• Beta

• Sound

• Gamma

What charge is an alpha particle?

• It's a wave, it has no charge
• Neutral (no charge)
• Positively charged.
• Negatively charged.

What device detects radiation?

• A Muller-Corner tube.
• A Geiger-Muller tube.
• A U-tube.
• A Rutherford tube.

What material can be used to absorb alpha radiation?

• Thin aluminium (a few mm thick)
• Thick lead or concrete
• A piece of wood
• A sheet of paper

What is the range of alpha radiation in air?

• A few centimetres (up to 5 cm)
• About 1 metre
• 100 metres
• More than 1km (almost infinite)

What material can be used to absorb beta radiation?

• Thick lead or concrete
• Thin aluminium (a few mm thick)
• A sheet of paper
• A piece of wood

What is the range of beta radiation in air

• A few centimetres (up to 5 cm)

• A few metres

• 100 metres

• More than 1km (almost infinite)

What material can be used to absorb gamma radiation?

• Thin aluminium (a few mm thick)

• Thick lead or concrete

• A piece of wood

• A sheet of paper