Radiation Quiz

What happens when a nucleus has too few neutrons?

• It emits a beta particle

• It emits a gamma ray

• It emits an alpha particle

• It remains stable

What is an alpha particle composed of?

• One proton and one neutron

• One proton and two neutrons

• Two protons and two neutrons

• Two protons and one neutron

What does beta decay cause in the nucleus?

• Decrease in mass number

• Increase in atomic number

• Decrease in atomic number

• Increase in mass number

What is emitted during beta radiation?

• A beta particle

• A proton

• A neutron

• An alpha particle

What does gamma ray emission change in the nucleus?

• Increases the atomic number

• Decreases the mass number

• Changes nothing in the number of particles

• Increases the mass number

What can cause neutron emission?

• Emitting a gamma ray

• Absorption of cosmic rays

• Emitting a beta particle

• Emitting an alpha particle

Which type of radiation has the highest ionising power?

• Gamma

• Beta

• Alpha

• Neutron

What is the range in air for gamma radiation?

• Less than 5 centimeters

• Approximately 1 meter

• More than 1 kilometer

• 3 mm

What material is used to stop beta radiation?

• Concrete

• Paper

• 3 mm aluminium foil

• Lead

How can all types of radioactive decay be detected?

• Using a barometer

• Using a spectrometer

• Using a Geiger-Muller tube

• Using a thermometer